Physics · Electrical Measuring Instruments
The deflecting torque produced in a moving iron instrument is related to the current through the operating coil in which of the following ways?
- 1Directly proportional to the square of current✓
- 2Directly proportional to the current
- 3Inversely proportional to the square of current
- 4Inversely proportional to the current
Correct answer
Directly proportional to the square of current
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