SSC JE Electrical 2018 with solution SET-1

SSC JE Electrical 2018 with solution SET-1
The relative permeability of the diamagnetic material is

Greater than 1

Greater than 100

Less than 1

Greater than 10

Greater than 1

Greater than 100

Less than 1

Greater than 10

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SSC JE Electrical 2018 with solution SET-1
What will be the voltage (in V) across an 8H inductor, when the rate of change of current flowing through it is 0.5A/sec

6

4

8

2

6

4

8

2

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SSC JE Electrical 2018 with solution SET-1
Lap winding is preferred for

High current and Low Voltage

Low current and Low Voltage

Low current and High Voltage

High current and High Voltage

High current and Low Voltage

Low current and Low Voltage

Low current and High Voltage

High current and High Voltage

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SSC JE Electrical 2018 with solution SET-1
The cheapest system of wiring is

Casing and capping

Batten Wiring

Cleat Wiring

Conduit Wiring

Casing and capping

Batten Wiring

Cleat Wiring

Conduit Wiring

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SSC JE Electrical 2018 with solution SET-1
What will be the value of average power (in Watt) of a sinusoidal voltage applied across a series circuit is 20 sinωt V and the current flowing the circuit is 10 sin(ωt + 60)A?

100

60

80

50

100

60

80

50

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SSC JE Electrical 2018 with solution SET-1
Determine the phase angle (in degrees) of a balanced 3-phase star connected system, if the first and the second wattmeter show reading of 200 W and 1200 W respectively

51

84

78

65

51

84

78

65

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