SSC JE Electrical 2019 with solution SET-2

SSC JE Electrical 2019 with solution SET-2
An ideal voltage source is one that____?

Has medium internal resistance

Has infinite internal resistance

Has zero internal resistance

Supplies constant power

Has medium internal resistance

Has infinite internal resistance

Has zero internal resistance

Supplies constant power

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SSC JE Electrical 2019 with solution SET-2
The impedance at resonance offered by a parallel resonant circuit is

Maximum given by I/CR

Maximum given by L/CR

Minimum given by I/CR

Minimum given by L/CR

Maximum given by I/CR

Maximum given by L/CR

Minimum given by I/CR

Minimum given by L/CR

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SSC JE Electrical 2019 with solution SET-2
In excess-three code the 4-bit group that is used is

0001

0011

0010

1110

0001

0011

0010

1110

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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

Potential transformer

Current transformer

Power transformer

Isolation transformer

Potential transformer

Current transformer

Power transformer

Isolation transformer

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SSC JE Electrical 2019 with solution SET-2
In electric traction, the specific energy consumption is measured in

RPM/watt-hour

Watt-hour/ ton-km

Watt-hour/RPM

Ton-km watt-hour

RPM/watt-hour

Watt-hour/ ton-km

Watt-hour/RPM

Ton-km watt-hour

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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

Supply voltage

Speed of the motor

Power factor

Load angle

Supply voltage

Speed of the motor

Power factor

Load angle

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