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

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

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SSC JE Electrical 2019 with solution SET-2
The names of the four materials have been given, select the one which has the least resistivity at 20°C?

Nichrome
Glass
Silver
Iron

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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 and current are in phase
Voltage leads current by 60°
Voltage lags current by 60°

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SSC JE Electrical 2019 with solution SET-2
Conductors experience skin effect in

Both AC and DC transmissions
HVDC transmission
AC transmission
DC transmission

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