Find the mutual inductance between two ideally coupled coils of 2H and 8H

SSC JE Electrical 2019 with solution SET-1
Find the mutual inductance between two ideally coupled coils of 2H and 8H

16 H

8 H

2 H

4 H

16 H

8 H

2 H

4 H

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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 improve the starting performance of the motor

To cut-off the starting winding at an appropriate instant

To out in the capacitor during running conditions

To protect the motor from overloading

To improve the starting performance of the motor

To cut-off the starting winding at an appropriate instant

To out in the capacitor during running conditions

To protect the motor from overloading

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SSC JE Electrical 2019 with solution SET-1
Hysteresis loss is NOT a function of

Steinmetz co-efficient of material

Ambient temperature

Frequency

The volume of a material

Steinmetz co-efficient of material

Ambient temperature

Frequency

The volume of a material

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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

200 V

215 V

210 V

190 V

200 V

215 V

210 V

190 V

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SSC JE Electrical 2019 with solution SET-1
Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

10Ω

20Ω

30Ω

40Ω

10Ω

20Ω

30Ω

40Ω

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SSC JE Electrical 2019 with solution SET-1
_____ power plant is the plant which uses a non-conventional source of energy

Hydroelectric

Wind

Nuclear

Thermal

Hydroelectric

Wind

Nuclear

Thermal

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 Find the mutual inductance between two ideally coupled coils of 2H and 8H

SSC JE Electrical 2019 with solution SET-1 What is the reason behind using a centrifugal switch in a single-phase induction motor?

SSC JE Electrical 2019 with solution SET-1 Hysteresis loss is NOT a function of

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 Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

SSC JE Electrical 2019 with solution SET-1 _____ power plant is the plant which uses a non-conventional source of energy

SSC JE Electrical 2019 with solution SET-1
Find the mutual inductance between two ideally coupled coils of 2H and 8H

SSC JE Electrical 2019 with solution SET-1
What is the reason behind using a centrifugal switch in a single-phase induction motor?

SSC JE Electrical 2019 with solution SET-1
Hysteresis loss is NOT a function of

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
Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

SSC JE Electrical 2019 with solution SET-1
_____ power plant is the plant which uses a non-conventional source of energy