SSC JE Electrical 2019 with solution SET-2
Observe the figure and find the correct relation from the four given options?

i1 + i2 + i4 = i3 + i5 + i6
i1 + i2 + i3 = i4 + i5 + i6
i4 + i2 + i3 = i1 + i5 + i6
i1 + i2 + i6 = i4 + i5 + i3

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SSC JE Electrical 2019 with solution SET-2
In the salient pole of the phase synchronous machine, the rotor will have

Larger diameter, shorter axial length
Smaller diameter, smaller axial length
Larger diameter, larger axial length
Smaller diameter, larger axial length

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SSC JE Electrical 2019 with solution SET-2
 If a transformer has N1 = N2 = 1 : 1, then the transformer is a/an

Isolation transformer
Current transformer
Power transformer
Potential transformer

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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?

Notching up
Braking
Free running
Coasting

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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 zero
Less than 0.5
Equal to 0.5
Greater than 0.5

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