SSC JE Electrical 2019 with solution SET-2
A series magnetic circuit will have

Same magnetic flux
Two or more paths for magnetic flux
Total reluctance of a series circuit = difference of the reluctances in different parts of the circuit
Different magnetic flux

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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?

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

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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?

1/2 π
20/2π
10/2π
5/2π

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