SSC JE Electrical 2019 with solution SET-1
 Which of the following plants experiences chain reactions?

Gas power plant
Hydro-electric power plant
Thermal power plant
Nuclear power plant

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SSC JE Electrical 2019 with solution SET-1
 In an AC network, the load connected is (10 + j10). The phase relation between the voltage applied and the current through the load is:

Voltage leads current by 45°
Voltage lags current by 45°
Voltage lags current by 30°
Voltage and current are in phase with each other

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SSC JE Electrical 2019 with solution SET-1
 _______ is the measuring unit of inductive susceptance

Mho
Weber
Henry
Tesla

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

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SSC JE Electrical 2019 with solution SET-1
 What is the reason behind using a centrifugal switch in a single-phase induction motor?

To protect the motor from overloading
To cut-off the starting winding at an appropriate instant
To out in the capacitor during running conditions
To improve the starting performance of the motor

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