SSC JE Electrical 2019 with solution SET-2
Which of the following instruments has a uniform scale?

Electrodynamic type
Dynamometer type
PMMC type
Moving iron type

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SSC JE Electrical 2019 with solution SET-2
If the AC voltage and current are given by the following expressions?
v = 200sin (314t — 60°)
i = 50sin (720t), then what is the phase relation between them?

Voltage leads current by 60°
Voltage and current are in phase
Can’t be determined
Voltage lags current by 60°

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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
0.125 H
1.5 H

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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

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

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