Tellegen’s theorem is based on the principle of law of_______

SSC JE Electrical 2018 with solution SET-1
Tellegen’s theorem is based on the principle of law of_______

Conservation of Mass

Conservation of Velocity

Conservation of charge

Conservation of Energy

Conservation of Mass

Conservation of Velocity

Conservation of charge

Conservation of Energy

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SSC JE Electrical 2018 with solution SET-1
If the field of a DC shunt motor gets opened while the motor is running, then the

Armature will oscillate about original speed as the mean speed

The motor will attain the dangerously high speed

Motor will become slow

Armature current will drop

Armature will oscillate about original speed as the mean speed

The motor will attain the dangerously high speed

Motor will become slow

Armature current will drop

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SSC JE Electrical 2018 with solution SET-1
The maximum speed variation in a synchronous motor is

Zero

10%

5%

2%

Zero

10%

5%

2%

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SSC JE Electrical 2018 with solution SET-1
Which one of the following is a passive element to an electric circuit?

Voltage source

Resistors

Battery

Current source

Voltage source

Resistors

Battery

Current source

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SSC JE Electrical 2018 with solution SET-1
Starting winding of a single-phase motor of a refrigerator is disconnected from the circuit by means of a

None of these

Centrifugal Switch

Magnetic Relay

Thermal Relay

None of these

Centrifugal Switch

Magnetic Relay

Thermal Relay

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SSC JE Electrical 2018 with solution SET-1
In a synchronous Motor, the damping winding is generally used to

Provide starting torque

Prevent hunting and provide starting Torque

Reduces the eddy current

Reduces the Noise Level

Provide starting torque

Prevent hunting and provide starting Torque

Reduces the eddy current

Reduces the Noise Level

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SSC JE Electrical 2018 with solution SET-1

SSC JE Electrical 2018 with solution SET-1 Tellegen’s theorem is based on the principle of law of_______

SSC JE Electrical 2018 with solution SET-1 If the field of a DC shunt motor gets opened while the motor is running, then the

SSC JE Electrical 2018 with solution SET-1 The maximum speed variation in a synchronous motor is

SSC JE Electrical 2018 with solution SET-1 Which one of the following is a passive element to an electric circuit?

SSC JE Electrical 2018 with solution SET-1 Starting winding of a single-phase motor of a refrigerator is disconnected from the circuit by means of a

SSC JE Electrical 2018 with solution SET-1 In a synchronous Motor, the damping winding is generally used to

SSC JE Electrical 2018 with solution SET-1
Tellegen’s theorem is based on the principle of law of_______

SSC JE Electrical 2018 with solution SET-1
If the field of a DC shunt motor gets opened while the motor is running, then the

SSC JE Electrical 2018 with solution SET-1
The maximum speed variation in a synchronous motor is

SSC JE Electrical 2018 with solution SET-1
Which one of the following is a passive element to an electric circuit?

SSC JE Electrical 2018 with solution SET-1
Starting winding of a single-phase motor of a refrigerator is disconnected from the circuit by means of a

SSC JE Electrical 2018 with solution SET-1
In a synchronous Motor, the damping winding is generally used to