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, ammeter, and wattmeter
Wattmeter alone
Combination of a voltmeter and ammeter
Energy meter 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
2 A/m
1 A/m
4 A/m

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SSC JE Electrical 2019 with solution SET-1
 The average value of a sinusoidal wave is:

√2 × maximum value
0.637 × maximum value
0.5 × maximum value
2 × maximum value

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SSC JE Electrical 2019 with solution SET-1
 Which of the following plants experiences chain reactions?

Thermal power plant
Nuclear power plant
Gas power plant
Hydro-electric power plant

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