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in Olympiad by (69.1k points)

A coil 2.0 cm in diameter has 300 turns. If the coil carries a current of 10 mA and lies in a magnetic field 5 x 10–2 T, the maximum torque experienced by the coil is : 

(A)  4.7 x 10–2 N–m 

(B)  4.7 × 10–4 N–m 

(C)  4.7 x 10–5 N–m 

(D)  4.7 x 10–8 N–m 

1 Answer

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Best answer

Correct option  (C) 4.7 x 10–5 N–m

Explanation:

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