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

Induction motor

Synchronous motor

Universal motor

DC motor

Induction motor

Synchronous motor

Universal motor

DC motor

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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

Lagging

Zero

Unity

Leading

Lagging

Zero

Unity

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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 = (2πωT)/60

Pmech = (ωT)/60

Pmech = (2πωT)

Pmech = ωT

Pmech = (2πωT)/60

Pmech = (ωT)/60

Pmech = (2πωT)

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SSC JE Electrical 2019 with solution SET-1
Reflected Light/Incident Light =

Absorption factor

Reflection factor

Waste light factor

Maintenance factor

Absorption factor

Reflection factor

Waste light factor

Maintenance factor

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SSC JE Electrical 2019 with solution SET-1
Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

1

2

4

0.5

1

2

4

0.5

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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

4 H

6 H

10 H

2.4 H

4 H

6 H

10 H

2.4 H

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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 If the field of the synchronous motor is under excited the power factor will be:

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 Reflected Light/Incident Light =

SSC JE Electrical 2019 with solution SET-1 Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

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
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
If the field of the synchronous motor is under excited the power factor will be:

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
Reflected Light/Incident Light =

SSC JE Electrical 2019 with solution SET-1
Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

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