SSC JE Electrical 2019 with solution SET-2

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

Increase field flux

Reduced the armature resistance

Reduce the effects of armature reaction

Improve commutation

Increase field flux

Reduced the armature resistance

Reduce the effects of armature reaction

Improve commutation

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SSC JE Electrical 2019 with solution SET-2
A circuit consists of two parallel resistors, having a resistance of 20Ω and 30Ω respectively connected in series with 15Ω. If the current through the 15Ω resistor is 3A, then find the current through 20Ω and 30Ω resistors respectively?

1.8A, 1.2A

1.2A, 1.8A

2A, 1 A

1A, 2A

1.8A, 1.2A

1.2A, 1.8A

2A, 1 A

1A, 2A

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SSC JE Electrical 2019 with solution SET-2
In a suspension type insulator the voltage…..?

Across the center disc is maximum

Across the top disc is maximum

Across the top disc is minimum

Across the center disc is minimum

Across the center disc is maximum

Across the top disc is maximum

Across the top disc is minimum

Across the center disc is minimum

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SSC JE Electrical 2019 with solution SET-2
The change in DC excitation of a synchronous motor will also change the

Power factor

Load angle

Speed of the motor

Supply voltage

Power factor

Load angle

Speed of the motor

Supply voltage

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SSC JE Electrical 2019 with solution SET-2
The force experienced by current-carrying conductor lying parallel to magnetic field is

BIL cosφ

Zero

BIL

BIL sinφ

BIL cosφ

Zero

BIL

BIL sinφ

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SSC JE Electrical 2019 with solution SET-2
Which of the following lamps is used s a sign or an indicator lamp?

Neon lamp

Incandescent lamp

Fluorescent lamp

Halogen lamp

Neon lamp

Incandescent lamp

Fluorescent lamp

Halogen lamp

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