Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%

SSC JE Electrical 2019 with solution SET-1
Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%

25Hz

5Hz

2.5Hz

50Hz

25Hz

5Hz

2.5Hz

50Hz

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SSC JE Electrical 2019 with solution SET-1
For a three-layer stranded wire, the number of strands in the first, second, and third layer respectively are:

1, 6 and 12

1, 7 and 14

1, 4 and 8

1, 5 and 10

1, 6 and 12

1, 7 and 14

1, 4 and 8

1, 5 and 10

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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?

30Ω

10Ω

40Ω

20Ω

30Ω

10Ω

40Ω

20Ω

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SSC JE Electrical 2019 with solution SET-1
The below symbol which is used in single line diagrams represents

Current transformer

Power transformer

Circuit breaker

Potential transformer

Current transformer

Power transformer

Circuit breaker

Potential transformer

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SSC JE Electrical 2019 with solution SET-1
If N = linkage flux, then the linkage flux per unit current is defined as:

Leakage coefficient

Inductance

Inductive reactance

Magnetomotive force

Leakage coefficient

Inductance

Inductive reactance

Magnetomotive force

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SSC JE Electrical 2019 with solution SET-1
_______is a tube that brings water to turbines

Spillway

Penstock

Trash rack

Forebay

Spillway

Penstock

Trash rack

Forebay

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%

SSC JE Electrical 2019 with solution SET-1 For a three-layer stranded wire, the number of strands in the first, second, and third layer respectively are:

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 The below symbol which is used in single line diagrams represents

SSC JE Electrical 2019 with solution SET-1 If N = linkage flux, then the linkage flux per unit current is defined as:

SSC JE Electrical 2019 with solution SET-1 _______is a tube that brings water to turbines

SSC JE Electrical 2019 with solution SET-1
Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%

SSC JE Electrical 2019 with solution SET-1
For a three-layer stranded wire, the number of strands in the first, second, and third layer respectively are:

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
The below symbol which is used in single line diagrams represents

SSC JE Electrical 2019 with solution SET-1
If N = linkage flux, then the linkage flux per unit current is defined as:

SSC JE Electrical 2019 with solution SET-1
_______is a tube that brings water to turbines