Physics · Electrical Measurements
If a current 'I' is flowing through the coil of a moving iron instrument, then the deflecting torque (and hence the deflecting angle) of the pointer is proportional to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1I
- 2I3
- 3I2✓
- 4√I
Correct answer
I2
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