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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SSC JE Electrical 2019 with solution SET-2
A long straight wire carries a current I = 10 A. At what distance is the magnetic field H = 1 A/m?

20/2π
5/2π
1/2 π
10/2π

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