Physics · Measuring Instruments
The deflection of the indicating pointer of an electrodynamometer instrument is proportional to ________.
- 1the mean of the current flowing through the moving coil and fixed coil
- 2the square of the current flowing through the moving coil
- 3the square of the current flowing through the moving coil and fixed coil✓
- 4the RMS current flowing through the fixed coil
Correct answer
the square of the current flowing through the moving coil and fixed coil
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