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?

8.95
24
26.94
47

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SSC JE Electrical 2018 with solution SET-1
 Which one of the following statement is NOT true about PMMC type instruments?

These instruments are suitable for both AC and DC currents
PMMC type Instruments have uniformly divided scale
Stray magnetic errors are small in these types of instruments
The cost of PMMC instruments is high

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SSC JE Electrical 2018 with solution SET-1
 Determine the magnitude of EMF (in V) induced between the axis of rotation and the rim of the disc, when the disc of radius 10 cm rotates with an angular velocity of 60 revolutions per second and placed in the magnetic field of 3 T acting parallel to the rotation of the disc

6.69
5.65
4.64
6.67

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SSC JE Electrical 2018 with solution SET-1
The unit of luminous flux is

Candela
Lux
Lumen
Steradian

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