SSC JE Electrical 2019 with solution SET-1
 A single-phase circuit’s power factor can be measured with a/an

Combination of a voltmeter and ammeter
Combination of a voltmeter, ammeter, and wattmeter
Energy meter alone
Wattmeter alone

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SSC JE Electrical 2019 with solution SET-1
Find H = _____ A/m at the center of a circular coil of diameter 1 m and carrying a current of 2A

8 A/m
1 A/m
4 A/m
2 A/m

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SSC JE Electrical 2019 with solution SET-1
 In the full-wave rectifier circuit shown in the figure, the diodes that conduct when the positive half-wave of AC signal applied are

D1, D2
D3, D4
D4, D1
D2, D3

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