Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Moving Charges and Magnetism Torque on a Current Loop
The torque on a current-carrying rectangular loop is τ when it is placed in a uniform magnetic field at an angle θ. If the length and the width of the loop is doubled then the torque on the loop at an angle θ will be:
1
τ
2
2τ
3
4τ
4
More than one of the above
5
None of the above