During the ______ period the power supply to the motor is cut-off and the train is allowed to run due to its own momentum?

SSC JE Electrical 2019 with solution SET-2
During the ______ period the power supply to the motor is cut-off and the train is allowed to run due to its own momentum?

Free running

Coasting

Braking

Notching up

Free running

Coasting

Braking

Notching up

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SSC JE Electrical 2019 with solution SET-2
Observe the given figure. Find Thevenin’s resistance as seen from open-circuited terminals?

4 Ω

32 Ω

16 Ω

8 Ω

4 Ω

32 Ω

16 Ω

8 Ω

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SSC JE Electrical 2019 with solution SET-2
The flux while crossing air gap tends to bulge outwards, thereby increasing the effective area of the gap, this effect is known as

Hall effect

Fringing effect

Hopkinson’s effect

Stroboscopic effect

Hall effect

Fringing effect

Hopkinson’s effect

Stroboscopic effect

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SSC JE Electrical 2019 with solution SET-2
The function of compensation winding in AC series motor is to

Reduced the armature resistance

Increase field flux

Improve commutation

Reduce the effects of armature reaction

Reduced the armature resistance

Increase field flux

Improve commutation

Reduce the effects of armature reaction

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SSC JE Electrical 2019 with solution SET-2
The number of brushes required for a 4 pole, lap wound DC machine is

4

8

1

2

4

8

1

2

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SSC JE Electrical 2019 with solution SET-2
If a transformer has N1 = N2 = 1 : 1, then the transformer is a/an

Current transformer

Isolation transformer

Potential transformer

Power transformer

Current transformer

Isolation transformer

Potential transformer

Power transformer

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SSC JE Electrical 2019 with solution SET-2

SSC JE Electrical 2019 with solution SET-2 During the ______ period the power supply to the motor is cut-off and the train is allowed to run due to its own momentum?

SSC JE Electrical 2019 with solution SET-2 Observe the given figure. Find Thevenin’s resistance as seen from open-circuited terminals?

SSC JE Electrical 2019 with solution SET-2 The flux while crossing air gap tends to bulge outwards, thereby increasing the effective area of the gap, this effect is known as

SSC JE Electrical 2019 with solution SET-2 The function of compensation winding in AC series motor is to

SSC JE Electrical 2019 with solution SET-2 The number of brushes required for a 4 pole, lap wound DC machine is

SSC JE Electrical 2019 with solution SET-2 If a transformer has N1 = N2 = 1 : 1, then the transformer is a/an

SSC JE Electrical 2019 with solution SET-2
During the ______ period the power supply to the motor is cut-off and the train is allowed to run due to its own momentum?

SSC JE Electrical 2019 with solution SET-2
Observe the given figure. Find Thevenin’s resistance as seen from open-circuited terminals?

SSC JE Electrical 2019 with solution SET-2
The flux while crossing air gap tends to bulge outwards, thereby increasing the effective area of the gap, this effect is known as

SSC JE Electrical 2019 with solution SET-2
The function of compensation winding in AC series motor is to

SSC JE Electrical 2019 with solution SET-2
The number of brushes required for a 4 pole, lap wound DC machine is

SSC JE Electrical 2019 with solution SET-2
If a transformer has N1 = N2 = 1 : 1, then the transformer is a/an