SSC JE Electrical 2018 with solution SET-1

SSC JE Electrical 2018 with solution SET-1
What is the value of current I4 (in A) for the given junction?

−4

4

6

−6

−4

4

6

−6

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SSC JE Electrical 2018 with solution SET-1
Determine the maximum flux density (in T) of a material having eddy current coefficient of 2, the thickness of 4 mm, the volume of 20 cu.meter, which is supplied by the frequency of 50 Hz when the material has eddy current loss of 6 W

1.94

3.34

2.24

1.21

1.94

3.34

2.24

1.21

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SSC JE Electrical 2018 with solution SET-1
The ripple factor is

RMS value/DC Value

RMS Value/Peak Value

Peak Value/RMS Value

Peak Value/DC Value

RMS value/DC Value

RMS Value/Peak Value

Peak Value/RMS Value

Peak Value/DC Value

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SSC JE Electrical 2018 with solution SET-1
Tellegen’s theorem is based on the principle of law of_______

Conservation of Energy

Conservation of Mass

Conservation of Velocity

Conservation of charge

Conservation of Energy

Conservation of Mass

Conservation of Velocity

Conservation of charge

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SSC JE Electrical 2018 with solution SET-1
What is the magnitude of the reactive power (in kVAR) of a balanced 3-phase delta connected system having the line voltage of 400 V and the line current of 50 A and the phase difference between the voltage and current is 53.13 degrees?

2.771

277.1

0.2771

27.71

2.771

277.1

0.2771

27.71

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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?

Resistors

Battery

Voltage source

Current source

Resistors

Battery

Voltage source

Current source

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