SSC JE Electrical 2018 with solution SET-1
A circuit having the power factor of 0.8 consumes 40 W. What will be the value of reactive power (in VAR) of the circuit?

30
10
20
40

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SSC JE Electrical 2018 with solution SET-1
 If a fixed amount of power is to be transmitted over a certain length with the fixed power loss then_____,

The weight of the conductor required will be proportional to the voltage
The weight of the conductor will be proportional to the square of the voltage and directly proportional to the power factor of the load.
The weight of the conductor required will be inversely proportional to the voltage and that of the power factor of the load
The weight of the conductor required will be inversely proportional to the square of the voltage and that of the power factor of the load

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SSC JE Electrical 2018 with solution SET-1
 A hysteresis Motor

Is a constant speed motor
Need DC excitation
Is not a self-starting motor
Can not be run in reverse speed

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SSC JE Electrical 2018 with solution SET-1
 Determine the percentage voltage error of a potential transformer with the system voltage of 11000 V and having a turn’s ratio of 104 if the measured secondary voltage is 98 V

5.75
7.92
6.25
8.84

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SSC JE Electrical 2018 with solution SET-1
 Which one of the following is a passive element to an electric circuit?

Current source
Battery
Resistors
Voltage source

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SSC JE Electrical 2018 with solution SET-1
 The primary and secondary windings of an Auto-transformer are

Electrically coupled
Magnetically coupled
Both magnetically and electrically coupled
None of these

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