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A current of 0.5 A is passed through the...

A current of 0.5 A is passed through the coil of a galvanometer having 500 turns and each turns has an average area of `3xx10^(-4) m^(2)` if a torque of 1.5 N-m is required for this coil carrying same current to set it parallel to a magnetic field calculate the strength of the magnetic field

A

20T

B

25 T

C

23 T

D

21 T

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The correct Answer is:
A
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NCERT FINGERTIPS-PRACTICE PAPPER-Practice Paper 3
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