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

Insulator efficiency
Transmission line efficiency
Disc efficiency
String efficiency

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SSC JE Electrical 2019 with solution SET-1
 The resistive component of the rotor with resistance R2 offered to the backward rotating flux wave in a single-phase motor runs with slip s is given as

R2 ⁄ (1 − S)
R2 ⁄ (2 − S)
R2 ⁄ S
R2 ⁄ (1 + S)

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SSC JE Electrical 2019 with solution SET-1
 Split-phase, capacitor, and shaded-pole single-phase motors classified as:

Repulsion motors
1-phase induction motors
Un-excited synchronous motors
A.C. series motors

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