SSC JE Electrical 2018 with solution SET-1
 Which of the following is the CORRECT formula for permeance?

Fm/L
φ/Fm
B/H
I/H

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SSC JE Electrical 2018 with solution SET-1
 For a dc machine shunt resistance and armature resistance values are

Low and Low
Low and High
High and Low
High and High

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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?

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

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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

5.65
6.67
4.64
6.69

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SSC JE Electrical 2018 with solution SET-1
 Determine the voltage (in V) of a battery connected to a parallel plate capacitor (filled with air) when the area of the plate is 10 square centimeters, the separation between the plate is 5 mm and the charged stored on the plate is 20 pC

10.3
14.3
12.3
11.3

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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?

8.95
47
24
26.94

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