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Question

A circular loop of area 1 cm2, carrying a current of 10A, is placed in a magnetic field of 0.1T perpendicular to the plane of the loop. The torque on the loop due to the magnetic field is?
  1. Zero
  2. 104N-m
  3. 102N-m
  4. 1N-m

A
102N-m
B
1N-m
C
Zero
D
104N-m
Solution
Verified by Toppr

As Torque is given by
T=NBiAsinθ
Area =1cm2
Current =10A
Magnetic field =0.1T
θ=0
T=1×10×0.1×sin0
=1×0
T=0

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