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
Silver
Iron
Glass

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SSC JE Electrical 2019 with solution SET-2
Observe the given figure. The maximum power to the load resistor is when Ri is  =?

4Ri
2Ri
Ri/2
RL

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SSC JE Electrical 2019 with solution SET-2
The scheduled speed of a train is______

Always less than the average speed
Equal to average speed
Always greater than the average speed
Equal to maximum speed

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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

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

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