SSC JE Electrical 2019 with solution SET-1
 Which of the following should be used under no-load conditions?

Isolator
Rewireable fuse
Air-break switch
Circuit breaker

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

Weber
Tesla
Henry
Mho

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

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SSC JE Electrical 2019 with solution SET-1
 What would the total loss of the 2kVA transformer corresponding to maximum efficiency be, provided the transformer has the iron of 150 W and full-load copper loss of 250W?

100 W
400 W
500 W
300 W

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