SSC JE Electrical 2018 with solution SET-1
 Determine the flux (in Wb) through a coil when the reluctance of the coil is 4 Amp-turns/Wb and the produced mmf is 48 Amp-turns

12
16
14
10

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SSC JE Electrical 2018 with solution SET-1
 Scott connections are used for

Single-phase to three-phase transformation
Any of the above
Three-phase to two-phase transformation
Three Phase to Single Phase transformation

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SSC JE Electrical 2018 with solution SET-1
 On which of the following parameters the eddy current loss occurring in a material does not depend?

The frequency of variation of flux
Magnetic flux Density
Susceptibility
The volume of the material

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SSC JE Electrical 2018 with solution SET-1
 The primary and secondary windings of an Auto-transformer are

None of these
Electrically coupled
Magnetically coupled
Both magnetically and electrically coupled

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SSC JE Electrical 2018 with solution SET-1
 A zero watt Lamp consumes

About 5 to 7 W power
About 15 to 20 W power
No power
About 25 to 30 W  Power

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