| Directions: In the following questions, a statement of Assertion [A] is followed by a statement of Reason (R). Mark the correct choice as: |
| Assertion [A]: The net magnetic force on a current carrying loop in a uniform magnetic field is zero but torque may or may not be zero. |
| Reason (R): Torque on a current carrying coil in a magnetic field is given by \[\overrightarrow{\tau }=nl(\overrightarrow{A}\times \overrightarrow{B})\]. |
A) Both Assertion [A] and Reason (R) are true and Reason (R) is the correct explanation of Assertion [A]
B) Both Assertion [A] and Reason (R) are true but Reason (R) is not the correct explanation of Assertion [A]
C) Assertion [A] is true but Reason (R) is false
D) Assertion [A] is false and Reason (R) is also false
Correct Answer: B
Solution :
[b]
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