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

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

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SSC JE Electrical 2019 with solution SET-1
 The Norton’s current in the circuit shown below is

2A
120A
4A
12A

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SSC JE Electrical 2019 with solution SET-1
If the field of the synchronous motor is under excited the power factor will be:

Leading
Unity
Lagging
Zero

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SSC JE Electrical 2019 with solution SET-1
 Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

Pmech = (2πωT)
Pmech = (2πωT)/60
Pmech = (ωT)/60
Pmech = ωT

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