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

Isolator
Rewireable fuse
Circuit breaker
Air-break switch

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SSC JE Electrical 2019 with solution SET-1
 Which motor is referred to as a universal motor?

Synchronous
Shunt
Single-phase induction
Series

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SSC JE Electrical 2019 with solution SET-1
 The law that explains about the economic size of a conductor is:

Kelvin’s law
Newton’s law
Lamberts law
Faraday’s law

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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
Power consumed by Z1 and Z2

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