JEE Main & Advanced Physics Electrostatics & Capacitance Question Bank

done Assertion and Reason Total Questions - 30

• question_answer1)
  Assertion : The coulomb force is the dominating force in the universe. Reason : The coulomb force is weaker than the gravitational force.          [AIIMS 2003]
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
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• question_answer2)
  Assertion             :       If three capacitors of capacitance \[{{C}_{\text{1}}}<{{C}_{\text{2}}}<{{C}_{\text{3}}}\] are connected in parallel then their equivalent capacitance \[{{C}_{p}}>{{C}_{s}}\] Reason                 :   \[\frac{1}{{{C}_{p}}}=\frac{1}{{{C}_{1}}}+\frac{1}{{{C}_{2}}}+\frac{1}{{{C}_{3}}}\]           [AIIMS 2002]
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer3)
  Assertion             :       A metallic shield in form of a hollow shell may be built to block an electric field.             Reason     :   In a hollow spherical shield, the electric field inside it is zero at every point.      [AIIMS 2001]
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer4)
  Assertion             :       Electrons move away from a low potential to high potential region.             Reason     :   Because electrons has negative charge [AIIMS 1999]
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer5)
  Assertion             :       If the distance between parallel plates of a capacitor is halved and dielectric constant is made three times, then the capacitor becomes 6 times.             Reason     :   Capacity of the capacitor does not depend upon the nature of the material. [AIIMS 1997]
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer6)
  Assertion             :       A parallel plate capacitor is connected across battery through a key. A dielectric slab of constant K is introduced between the plates. The energy which is stored becomes K times.             Reason     :   The surface density of charge on the plate remains constant or unchanged. [AIIMS 1996]
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer7)
  Assertion             :       Electric lines of force cross each other.             Reason     :   Electric field at a point superimpose to give one resultant electric field.              [AIIMS 1995]
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer8)
  Assertion             :       If a proton and an electron are placed in the same uniform electric field. They experience different acceleration.             Reason     :   Electric force on a test charge is independent of its mass.         [AIIMS 1994]
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer9)
  Assertion             :       Dielectric breakdown occurs under the influence of an intense light beam.             Reason     :   Electromagnetic radiations exert pressure.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer10)
  Assertion             :       When charges are shared between any two bodies, no charge is really lost, but some loss of energy does occur.             Reason     :   Some energy disappears in the form of heat, sparking etc.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer11)
  Assertion             :       Annihilation of electron and positron is an example of decay of charges.             Reason     :   In the process of annihilation an electron and a positron combine to give a gamma particle.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer12)
  Assertion             :       Surface of a symmetrical conductor can be treated as equipotential surface. Reason                 :   Charges can easily flow in a conductor.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer13)
  Assertion             :       The capacity of a given conductor remains same even if charge is varied on it.             Reason     :   Capacitance depends upon nearly medium as well as size and shape of conductor.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer14)
  Assertion             :       A charged capacitor is disconnected from a battery. Now if its plate are separated farther, the potential energy will fall.             Reason     :   Energy stored in a capacitor is equal to the work done in charging it.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer15)
  Assertion             :       Charge is invariant.             Reason     :   Charge does not depends on speed of frame of reference.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer16)
  Assertion             :       Mass of ion is slightly differed from its element.             Reason     :   Ion is formed, when some electrons are removed or added so mass changes.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer17)
  Assertion             :       Charge is quantized             Reason     :   Charge, which is less than 1 C is not possible
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer18)
  Assertion             :       If a point charge q is placed in front of an infinite grounded conducting plane surface, the point charge will experience a force.             Reason     :   This force is due to the induced charge on the conducting surface which is at zero potential.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer19)
  Assertion             :       The surface charge densities of two spherical conductors of different radii are equal. Then the electric field intensities near their surface are also equal.             Reason     :   Surface charge density is equal to charge per unit area.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer20)
  Assertion             :       Three equal charges are situated on a circle of radius r such that they form on equilateral triangle, then the electric field intensity at the centre is zero.             Reason     :   The force on unit positive charge at the centre, due to the three equal charges are represented by the three sides of a triangle taken in the same order. Therefore, electric field intensity at centre is zero.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer21)
  Assertion             :       On going away from a point charge or a small electric dipole, electric field decreases at the same rate in both the cases.             Reason     :   Electric field is inversely proportional to square of distance from the charge or an electric dipole.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer22)
  Assertion             :       The whole charge of a conductor cannot be transferred to another isolated conductor.             Reason     :   The total transfer of charge from one to another is not possible.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer23)
  Assertion             :       Conductors having equal positive charge and volume, must also have same potential.             Reason     :   Potential depends only on charge and volume of conductor.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer24)
  Assertion             :       At a point in space, the electric field points towards north. In the region, surrounding this point the rate of change of potential will be zero along the east and west. Reason                 :   Electric field due to a charge is the space around the charge.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer25)
  Assertion             :       A point charge is brought in an electric field. The field at a nearby point will increase, whatever be the nature of the charge.             Reason     :   The electric field is independent of the nature of charge.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer26)
  Assertion             :       The force with which one plate of a parallel plate capacitor is attracted towards the other plate is equal to square of surface density per e per unit area.             Reason     :   The electric field due to one charged plate of the capacitor at the location of the other is equal to surface density per e.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer27)
  Assertion             :       The lightening conductor at the top of high building has sharp pointed ends.             Reason     :   The surface density of charge at sharp points is very high resulting in setting up of electric wind.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer28)
  Assertion             :       Circuit containing capacitors should be handled cautiously even when there is no current.             Reason     :   The capacitors are very delicate and so quickly break down.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer29)
  Assertion             :       The tyres of aircraft's are slightly conducting. Reason : If a conductor is connected to ground, the extra charge induced on conductor will flow to ground.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer30)
  Assertion             :       A bird perches on a high power line and nothing happens to the bird. Reason                 :               The level of bird is very high from the ground.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
                  If assertion is false but reason is true. done clear
  View Solution play_arrow