SSC JE Electrical 2018 with solution SET-1
 Determine the maximum flux density (in T) of a material having eddy current coefficient of 2, the thickness of 4 mm, the volume of 20 cu.meter, which is supplied by the frequency of 50 Hz when the material has eddy current loss of 6 W

2.24
3.34
1.21
1.94

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

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

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SSC JE Electrical 2018 with solution SET-1
 Which of the following is a static exciter?

Metadyne
Amplidyne
Rectifier
DC Separately excited generator

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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?

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

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