SSC JE Electrical 2019 with solution SET-1
 Which of the following is the function of the moderator in a nuclear reactor?

Stopping chain reaction
Starting chain reaction
To slow down the fast-moving electron
Controlling chain reaction

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SSC JE Electrical 2019 with solution SET-1
 Z1 and Z2 are connected in series to form a load. A wattmeter’s current coil is connected in series with the load, whereas its pressure coil is connected across Z2. The wattmeter reads

Power consumed by Z1 and Z2
Power consumed by Z2
Power consumed by Z1
Zero always

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SSC JE Electrical 2019 with solution SET-1
If the field of the synchronous motor is under excited the power factor will be:

Unity
Lagging
Leading
Zero

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