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

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

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
 The ratio of conductor voltage and the voltage across the disc nearest to the conductor multiplied by the number discs are

String efficiency
Transmission line efficiency
Disc efficiency
Insulator efficiency

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP