engineering recuitment NHPC JE & THDC JE 2023 Mock Test Electrical and Electronics Measurements Indicating Instruments PMMC Instrument
A moving coil of a meter has 100 turns and a length and depth of 10 mm and 20 mm respectively. It is positioned in a uniform redial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is
1
200 μN – m
2
100 μN – m
3
1000 μN – m
4
1 μN – m