A magnetic needle is kept in a non uniform magnetic field . It experiences
A
a force and a torque
B
a force but not a torque
C
A torque but not a force
D
neither a force nor a torque
Text Solution
Verified by Experts
The correct Answer is:
A
The force on north pole ` = mvec(B)_(1)` The force on south pole `= m vec(B)_(2)` Since the forces will be unequal and are not having same line of action therefore, the magnetic needle experiences a force as well as a torque.
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