SSC JE Electrical 2018 with solution SET-1
 A three-phase synchronous motor will have

Two slip-rings
No slip-rings
Three slip-rings
One slip-ring

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SSC JE Electrical 2018 with solution SET-1
The motor used on a small lathe is usually

3-Phase Synchronous Motor
D.C shunt Motor
Single-phase capacitor run Motor
Universal Motor

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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
12.3
14.3
11.3

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

Peak Value/RMS Value
RMS value/DC Value
RMS Value/Peak Value
Peak Value/DC Value

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SSC JE Electrical 2018 with solution SET-1
  What will be the equivalent capacitance (in mF) of three capacitors connected in a series having the capacitance of 0.04 mF, 0.08 mF, and 0.02 mF respectively?

0.065
0.032
0.011
0.026

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