SSC JE Electrical 2019 with solution SET-1
 Which of the following is the correct relation regarding coupled coils?

M > (L1L2)0.5
M = (L1 − L2)/2
M ≤ (L1L2)0.5
M = (L1 + L2)/2

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SSC JE Electrical 2019 with solution SET-1
 Which of the following should be used under no-load conditions?

Rewireable fuse
Isolator
Air-break switch
Circuit breaker

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SSC JE Electrical 2019 with solution SET-1
Reflected Light/Incident Light =

Waste light factor
Absorption factor
Maintenance factor
Reflection factor

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SSC JE Electrical 2019 with solution SET-1
 The amount of AC content present in the DC output of a rectifier is given by

Form factor
Power factor
Ripple factor
Peak factor

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