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

PMMC type
Dynamometer type
Moving iron type
Electrodynamic type

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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?

1.5 H
0.15 H
0.015 H
0.125 H

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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
Voltage lags current by 60°
Can’t be determined

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