A moving coil of a meter has 250 turns and a length and depth of 40 m – McqOptions

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1.	A moving coil of a meter has 250 turns and a length and depth of 40 mm and 30 mm respectively. It is positioned in a uniform radial flux density of 450 mT. The coil carries a current of 160 mA. The torque on the coil is?
A.	0.0216 N-m
B.	0.0456 N-m
C.	0.1448 N-m
D.	1 N-m
Answer» B. 0.0456 N-m

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