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
 Which of the following should be used under no-load conditions?

Rewireable fuse
Circuit breaker
Air-break switch
Isolator

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