SSC JE Electrical 2019 with solution SET-1
 The ratio of conductor voltage and the voltage across the disc nearest to the conductor multiplied by the number discs are

Insulator efficiency
Disc efficiency
String efficiency
Transmission line efficiency

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SSC JE Electrical 2019 with solution SET-1
 In an AC network, the load connected is (10 + j10). The phase relation between the voltage applied and the current through the load is:

Voltage and current are in phase with each other
Voltage leads current by 45°
Voltage lags current by 45°
Voltage lags current by 30°

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SSC JE Electrical 2019 with solution SET-1
 Which of the following voltage range is used in medium transmission lines?

50 kV to 200 kV
More than 200 kV
20 kV to 100 kV
Less than 20 kV

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SSC JE Electrical 2019 with solution SET-1
 If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

1200 W
400 W
1600 W
800 W

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SSC JE Electrical 2019 with solution SET-1
 Is it possible to have current in a transmission line, under no-load conditions?

Yes, because of the corona effect
Yes, because of the capacitance effect
Yes, because of skin effect
No, because of the proximity effect

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