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A : Torque on the coil is the maximum, w...

A : Torque on the coil is the maximum, when coil is suspended in a radial magnetic field.
R : The torque tends to rotate the coil on its own axis.

A

Assertion is true, reason is true and reason is the correct explanation for assertion.

B

Assertion is true, reason is true but reason is not the correct explanation for assertion.

C

Assertion is true, reason is false.

D

Assertion is false, reason is true.

Text Solution

Verified by Experts

The correct Answer is:
B
The torque acting on current carrying coil which is surpended in a magnetic field is `tau=nIBAsintheta`, now due to radial magnetic field the deflection of coil at any position is `theta=90^(@)`, so torque is maximum and hence assertion is true and reason is true but reason is not the correct explanation for assertion.
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