The unit of luminous flux is

SSC JE Electrical 2018 with solution SET-1
The unit of luminous flux is

Steradian

Lumen

Candela

Lux

Steradian

Lumen

Candela

Lux

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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

Reduces the Noise Level

Prevent hunting and provide starting Torque

Reduces the eddy current

Provide starting torque

Reduces the Noise Level

Prevent hunting and provide starting Torque

Reduces the eddy current

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SSC JE Electrical 2018 with solution SET-1
Power consumed by a balanced star connected 3-phase load is measured using the two-wattmeter method. The phase voltage and phase current in the load is 220V and 10 A respectively. What will be the difference in reading (in W) of the two wattmeters, if the power factor of the system is 0.8 Lagging?

2861.2

2286.3

3048.4

3810.5

2861.2

2286.3

3048.4

3810.5

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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

Current source

Battery

Resistors

Voltage source

Current source

Battery

Resistors

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

Zero

5%

10%

2%

Zero

5%

10%

2%

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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 current will drop

The motor will attain the dangerously high speed

Motor will become slow

Armature will oscillate about original speed as the mean speed

Armature current will drop

The motor will attain the dangerously high speed

Motor will become slow

Armature will oscillate about original speed as the mean speed

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SSC JE Electrical 2018 with solution SET-1

SSC JE Electrical 2018 with solution SET-1 The unit of luminous flux is

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 Which one of the following is a passive element to an electric circuit?

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 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 unit of luminous flux is

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
Which one of the following is a passive element to an electric circuit?

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
If the field of a DC shunt motor gets opened while the motor is running, then the