SSC JE Electrical 2019 with solution SET-2
The work done on or by a unit N-pole in moving once around a closed path is equal to

Reluctance
The product of current and number of turns enclosed by that path
Magnetic flux density
The product of flux and number of turns enclosed by that path

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-2
The combined inductance of two coils connected in a series is 0.6H and 0.1H, depending on the relative directions of the currents to the coils. If one of the coils when isolated has a self-inductance of 0.2 H, then calculate the natural inductance?

0.15 H
0.015 H
1.5 H
0.125 H

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-2
In the two-wattmeter method of three-phase power measurement of a balanced load, if the reading of one meter is −200W, then the power factor of the load is

Equal to 0.5
Equal to zero
Greater than 0.5
Less than 0.5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP