SSC JE Electrical 2019 with solution SET-1
 The average value of a sinusoidal wave is:

0.637 × maximum value
0.5 × maximum value
2 × maximum value
√2 × maximum value

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SSC JE Electrical 2019 with solution SET-1
_____ is NOT a component in a thermal power plant

Boiler
Reactor
Economizer
Chimney

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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?

Mercury vapor lamp
Incandescent lamp
Fluorescent lamp
Sodium vapor lamp

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SSC JE Electrical 2019 with solution SET-1
Find H = _____ A/m at the center of a circular coil of diameter 1 m and carrying a current of 2A

4 A/m
2 A/m
8 A/m
1 A/m

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