SSC JE Electrical 2019 with solution SET-2
The number of brushes required for a 4 pole, lap wound DC machine is

8
4
2
1

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SSC JE Electrical 2019 with solution SET-2
The wattage rating of a single-phase induction motor used as a ceiling fan will be in the range of

600 to 800 W
50 to 150 W
10 to 50 W
200 to 500 W

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SSC JE Electrical 2019 with solution SET-2
A series magnetic circuit will have

Total reluctance of a series circuit = difference of the reluctances in different parts of the circuit
Two or more paths for magnetic flux
Same magnetic flux
Different magnetic flux

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SSC JE Electrical 2019 with solution SET-2
Four options have been given, out of which three are alike in some manner and one is different. Select the odd one?

Electrical potential
Electric flux
Potential difference
Electromotive force

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