Prevention of interference with neighboring telephone lines can be done by:

SSC JE Electrical 2019 with solution SET-1
Prevention of interference with neighboring telephone lines can be done by:

Using bundled conductors

Transposing transmission lines

Reducing skin effect

Reducing corona

Using bundled conductors

Transposing transmission lines

Reducing skin effect

Reducing corona

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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

210 V

200 V

190 V

215 V

210 V

200 V

190 V

215 V

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SSC JE Electrical 2019 with solution SET-1
When the only current source is active in the circuit, find the current through the 10Ω resistor

1.33 A

0 A

0.66 A

1.66 A

1.33 A

0 A

0.66 A

1.66 A

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SSC JE Electrical 2019 with solution SET-1
Identify the important feature of a DC series motor

Zero starting torque

Low starting torque

Medium starting torque

High starting torque

Zero starting torque

Low starting torque

Medium starting torque

High starting torque

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SSC JE Electrical 2019 with solution SET-1
When the supply to the excitation fails, the synchronous generator acts like a/an

Synchronous motor

Induction generator

Induction motor

Synchronous generator

Synchronous motor

Induction generator

Induction motor

Synchronous generator

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SSC JE Electrical 2019 with solution SET-1
Hunting occurs in a/an motor

DC shunt

Induction

DC series

Synchronous

DC shunt

Induction

DC series

Synchronous

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 Prevention of interference with neighboring telephone lines can be done by:

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 When the only current source is active in the circuit, find the current through the 10Ω resistor

SSC JE Electrical 2019 with solution SET-1 Identify the important feature of a DC series motor

SSC JE Electrical 2019 with solution SET-1 When the supply to the excitation fails, the synchronous generator acts like a/an

SSC JE Electrical 2019 with solution SET-1 Hunting occurs in a/an motor

SSC JE Electrical 2019 with solution SET-1
Prevention of interference with neighboring telephone lines can be done by:

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
When the only current source is active in the circuit, find the current through the 10Ω resistor

SSC JE Electrical 2019 with solution SET-1
Identify the important feature of a DC series motor

SSC JE Electrical 2019 with solution SET-1
When the supply to the excitation fails, the synchronous generator acts like a/an

SSC JE Electrical 2019 with solution SET-1
Hunting occurs in a/an motor