SSC SSC JE Electrical 2025 Mock Test Series (Paper 1 & Paper 2) Electrical and Electronics Measurements Indicating Instruments PMMC Instrument
If a PMMC instrument has a coil of 100 turns, flux density of 0.15 Wb/m2, area of 80 mm2 and current of 5 mA, then what will be its deflecting torque?
1
7 × 10-7 Nm
2
0.7 × 10-7 Nm
3
6 × 10-6 Nm
4
0.2 × 10-5 Nm