An electric motor in which both the rotor and stator fields rotate with the same speed is called

SSC JE Electrical 2019 with solution SET-1
An electric motor in which both the rotor and stator fields rotate with the same speed is called

Universal motor

Synchronous motor

DC motor

Induction motor

Universal motor

Synchronous motor

DC motor

Induction motor

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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

210 V

200 V

190 V

215 V

210 V

200 V

190 V

215 V

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SSC JE Electrical 2019 with solution SET-1
Two inductors of 4H and 6H are connected in series. The equivalent inductance of this combination is

2.4 H

10 H

4 H

6 H

2.4 H

10 H

4 H

6 H

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SSC JE Electrical 2019 with solution SET-1
In the speed-time curve of a train, speed in and time are plotted

km/h; sec

km/h; hour

km/s; hour

km/s; sec

km/h; sec

km/h; hour

km/s; hour

km/s; sec

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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 = ωT

Pmech = (ωT)/60

Pmech = (2πωT)/60

Pmech = (2πωT)

Pmech = ωT

Pmech = (ωT)/60

Pmech = (2πωT)/60

Pmech = (2πωT)

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

2A

4A

12A

120A

2A

4A

12A

120A

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 An electric motor in which both the rotor and stator fields rotate with the same speed is called

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

SSC JE Electrical 2019 with solution SET-1 Two inductors of 4H and 6H are connected in series. The equivalent inductance of this combination is

SSC JE Electrical 2019 with solution SET-1 In the speed-time curve of a train, speed in and time are plotted

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?

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

SSC JE Electrical 2019 with solution SET-1
An electric motor in which both the rotor and stator fields rotate with the same speed is called

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

SSC JE Electrical 2019 with solution SET-1
Two inductors of 4H and 6H are connected in series. The equivalent inductance of this combination is

SSC JE Electrical 2019 with solution SET-1
In the speed-time curve of a train, speed in and time are plotted

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?

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