SSC JE Electrical 2019 with solution SET-1
 In the full-wave rectifier circuit shown in the figure, the diodes that conduct when the positive half-wave of AC signal applied are

D4, D1
D1, D2
D3, D4
D2, D3

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SSC JE Electrical 2019 with solution SET-1
 What is the reason behind using a centrifugal switch in a single-phase induction motor?

To out in the capacitor during running conditions
To improve the starting performance of the motor
To protect the motor from overloading
To cut-off the starting winding at an appropriate instant

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SSC JE Electrical 2019 with solution SET-1
 H = ____is the expression for the magnetic field due to an infinite linear current-carrying conductor

(I ⁄ 2r) A/m
(I ⁄ 2Πr) A/m
(μI ⁄ 2Πr) A/m
(μI ⁄ 2r) A/m

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SSC JE Electrical 2019 with solution SET-1
 Lamp efficiency is measured in

Lumen/lux
Lumen/watt
Candela/watt
Lux/watt

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