SSC JE Electrical 2018 with solution SET-1

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

Less than 1

Greater than 1

Greater than 100

Greater than 10

Less than 1

Greater than 1

Greater than 100

Greater than 10

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SSC JE Electrical 2018 with solution SET-1
Calculate the phase angle between the voltage and current phasor of a series RL circuit having the resistance of 65 Ohms and Inductive reactance of 37.53 ohms when supplied by a frequency of 60 Hz

45°

15°

30°

60°

45°

15°

30°

60°

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SSC JE Electrical 2018 with solution SET-1
Determine the value of current (in A) through both the resistors of the given circuit.

2, −1.5

2, 1.5

−2, 1.5

−2, −1.5

2, −1.5

2, 1.5

−2, 1.5

−2, −1.5

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SSC JE Electrical 2018 with solution SET-1
A house has 5 fans of 70 W each that operates for 16 hours a day and one washing machine of 2000 W that operates for 1 hours per day in the month of June. What is the energy consumption(in kWh) of the house in the month of June?

235.6

228

486.6

350

235.6

228

486.6

350

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SSC JE Electrical 2018 with solution SET-1
A 3-phase star connected system is supplied by a line voltage of 440 V. The value of the current is 50 A. What is the power (in kW) consumed by the system, if the current lags the voltage by 45 degrees?

24

47

26.94

8.95

24

47

26.94

8.95

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SSC JE Electrical 2018 with solution SET-1
In the large machine, the flat copper strips known as

Risers

Windings

Bushes

Either of these

Risers

Windings

Bushes

Either of these

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