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in Physics by (122k points)
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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1 Answer

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by (122k points)
Correct Answer - A

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