SSC JE Electrical 2019 with solution SET-2
In the two-wattmeter method of three-phase power measurement of a balanced load, if the reading of one meter is −200W, then the power factor of the load is

Greater than 0.5
Equal to 0.5
Equal to zero
Less than 0.5

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SSC JE Electrical 2019 with solution SET-2
A series magnetic circuit will have

Different magnetic flux
Two or more paths for magnetic flux
Total reluctance of a series circuit = difference of the reluctances in different parts of the circuit
Same magnetic flux

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SSC JE Electrical 2019 with solution SET-2
Four types of power plants have been given out of which three are alike in some manner and one is different. Select the odd one?

Nuclear power plant
Solar power plant
Hydro-electric power plant
Thermal power plant

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