SSC JE Electrical 2018 with solution SET-1
The unit of luminous flux is

Steradian
Lumen
Candela
Lux

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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

3.34
2.24
1.21
1.94

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SSC JE Electrical 2018 with solution SET-1
The welding electric circuit is______

Always Earthed
None of these
Never Earthed
Through cables Only

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