Electrical Engineering · DC Machines
Define critical field resistance for a DC generator.
- 1It is the lowest value of resistance of the series field circuit with which a DC generator can build up its voltage.
- 2It is the lowest value of resistance of the shunt field circuit with which a DC generator can build up its voltage.
- 3It is the highest value of resistance of the shunt field circuit with which a DC generator can build up its voltage.✓
- 4It is the highest value of resistance of the series field circuit with which a DC generator can build up its voltage.
Correct answer
It is the highest value of resistance of the shunt field circuit with which a DC generator can build up its voltage.
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