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

The cost of PMMC instruments is high
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

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SSC JE Electrical 2018 with solution SET-1
 Which of the following is a static exciter?

DC Separately excited generator
Rectifier
Metadyne
Amplidyne

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SSC JE Electrical 2018 with solution SET-1
 A zero watt Lamp consumes

No power
About 15 to 20 W power
About 5 to 7 W power
About 25 to 30 W  Power

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SSC JE Electrical 2018 with solution SET-1
 What is the value of current I4 (in A) for the given junction?

−6
−4
4
6

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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

12.3
10.3
14.3
11.3

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SSC JE Electrical 2018 with solution SET-1
In a synchronous Motor, the damping winding is generally used to

Prevent hunting and provide starting Torque
Reduces the Noise Level
Provide starting torque
Reduces the eddy current

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