SSC JE Electrical 2019 with solution SET-1
 A 200 V d.c machine as Ra = 0.5 Ω and its full-load Ia= 20A. Determine the induced e.m.f when the machine acts as a motor

200 V
190 V
210 V
215 V

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SSC JE Electrical 2019 with solution SET-1
 Which of the following plants experiences chain reactions?

Hydro-electric power plant
Gas power plant
Nuclear power plant
Thermal power plant

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

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SSC JE Electrical 2019 with solution SET-1
 If admittance Y= a + jb, then a =?

Reactance
Resistance
Conductance
Susceptance

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

2A
12A
120A
4A

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SSC JE Electrical 2019 with solution SET-1
  In a capacitor start single phase induction motor the current in the:

Supply lines lead the voltage
Starting winding leads the voltage
The main winding leads the voltage
Starting winding lags the voltage

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