Question
Question: A wire of length L is bent in the form of a circular coil and current i is passed through it. If thi...
A wire of length L is bent in the form of a circular coil and current i is passed through it. If this coil is placed in a magnetic field then the torque acting on the coil will be maximum when the number of turns is
A
As large as possible
B
Any number
C
2
D
1
Answer
As large as possible
Explanation
Solution
τ = NBiA sinθ ; given θ = 0 so τ = 0.