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JEE Main & Advanced Physics Electrostatics & Capacitance Question Bank Mock Test - Capacitance

  • question_answer
    The potentials of the two plates of capacitor are +10V and -10 V. The charge on one of the plates is 40C. The capacitance of the capacitor is

    A) 2 F                   

    B) 4 F

    C) 0.5 F                

    D) 0.25 F

    Correct Answer: A

    Solution :

    [a] The potential difference across the parallel plate capacitor is \[10V-\left( -10V \right)=20\,V.\] Capacitance\[=\frac{Q}{V}=\frac{40}{20}=2F.\]


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