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

Power factor
Peak factor
Ripple factor
Form factor

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SSC JE Electrical 2019 with solution SET-1
 Which of the following lamps has the shortest/less life span in working hours?

Fluorescent lamp
Sodium vapor lamp
Incandescent lamp
Mercury vapor lamp

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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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