Electrical Engineering · Electrical Instruments
In the context of a megger, the voltage range of the instrument can be controlled by a voltage selector switch. This is achieved by which of the following methods?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Keeping a constant resistance 'r' connected in series with the pressure (voltage) coil
- 2Keeping a constant resistance 'r' connected in parallel with the current coil
- 3Varying a resistance 'r' connected in series with the pressure (voltage) coil✓
- 4Varying a resistance 'r' connected in parallel with the current coil
Correct answer
Varying a resistance 'r' connected in series with the pressure (voltage) coil
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