Electrical Engineering · Measuring Instruments
In an earth resistance tester, the deflection of the meter pointer is proportional to the:
- 1Current in the potential coil only
- 2Current in the current coil only
- 3Ratio of currents in the two coils (potential and current coils)✓
- 4Generator handle rotation speed
Correct answer
Ratio of currents in the two coils (potential and current coils)
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