SSC JE Electrical 2019 with solution SET-2
The wattage rating of a single-phase induction motor used as a ceiling fan will be in the range of

200 to 500 W
10 to 50 W
600 to 800 W
50 to 150 W

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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 lags current by 60°
Voltage leads current by 60°

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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  =?

2Ri
RL
4Ri
Ri/2

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