SSC JE Electrical 2019 with solution SET-2
A long straight wire carries a current I = 10 A. At what distance is the magnetic field H = 1 A/m?

10/2π
1/2 π
5/2π
20/2π

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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?

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

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SSC JE Electrical 2019 with solution SET-2
______braking is used where the load on the motor has very high inertia (e.g. in electric trains)?

Regenerative
Coasting
Rheostatic
Plugging

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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

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

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SSC JE Electrical 2019 with solution SET-2
During the ______ period the power supply to the motor is cut-off and the train is allowed to run due to its own momentum?

Free running
Coasting
Braking
Notching up

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