SSC JE Electrical 2019 with solution SET-1
 Identify the INCORRECT statement with regards to synchronous motors

The field winding is placed on the rotor
The armature winding is placed on the stator
It is a constant speed motor
It is a self-starting machine

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SSC JE Electrical 2019 with solution SET-1
 The ratio of conductor voltage and the voltage across the disc nearest to the conductor multiplied by the number discs are

Disc efficiency
Insulator efficiency
Transmission line efficiency
String efficiency

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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

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

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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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