Magnetic Effects Of Current Question 171

Question: A current carrying loop is placed in a uniform magnetic field. The torque acting on it does not depend upon [CPMT 1985; RPMT 1997; Kerala PMT 2002]

Options:

A) Shape of the loop

B) Area of the loop

C) Value of the current

D) Magnetic field

Show Answer

Answer:

Correct Answer: A

Solution:

Because $ \tau =NiAB\cos \theta $