SSC JE Electrical 2019 with solution SET-2
Two coils are said to be ‘magnetically isolated’ provided the coefficient of coupling K

Is equal to one
Is less than or equal to one
Is less than one
Is equal to zero

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SSC JE Electrical 2019 with solution SET-2
The wattage rating of a single-phase induction motor used as a ceiling fan will be in the range of

50 to 150 W
200 to 500 W
10 to 50 W
600 to 800 W

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

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

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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

Current transformer
Isolation transformer
Potential transformer
Power transformer

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