Determine the flux (in Wb) through a coil when the reluctance of the coil is 4 Amp-turns/Wb and the produced mmf is 48 Amp-turns

SSC JE Electrical 2018 with solution SET-1
Determine the flux (in Wb) through a coil when the reluctance of the coil is 4 Amp-turns/Wb and the produced mmf is 48 Amp-turns

16

14

12

10

16

14

12

10

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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

Reduces the eddy current

Prevent hunting and provide starting Torque

Provide starting torque

Reduces the Noise Level

Reduces the eddy current

Prevent hunting and provide starting Torque

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SSC JE Electrical 2018 with solution SET-1
Which of the following statement is TRUE?

The equivalent resistance in series combination is equal to the smallest resistance in the combination

The equivalent resistance in series combination is equal to the largest resistance in the combination

The equivalent resistance in series combination is smaller than the largest resistance in the combination

The equivalent resistance in series combination is larger than the largest resistance in the combination

The equivalent resistance in series combination is equal to the smallest resistance in the combination

The equivalent resistance in series combination is equal to the largest resistance in the combination

The equivalent resistance in series combination is smaller than the largest resistance in the combination

The equivalent resistance in series combination is larger than the largest resistance in the combination

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SSC JE Electrical 2018 with solution SET-1
Calculate the induced emf (in V) in the inductor of a series RL circuit having the inductance of 1.8 H and resistance of 90 Ohms after 20 milli-seconds when supplied by a 20 V DC source

10.03

20

7.36

14.76

10.03

20

7.36

14.76

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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
A hysteresis Motor

Need DC excitation

Is not a self-starting motor

Can not be run in reverse speed

Is a constant speed motor

Need DC excitation

Is not a self-starting motor

Can not be run in reverse speed

Is a constant speed motor

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SSC JE Electrical 2018 with solution SET-1

SSC JE Electrical 2018 with solution SET-1 Determine the flux (in Wb) through a coil when the reluctance of the coil is 4 Amp-turns/Wb and the produced mmf is 48 Amp-turns

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 of the following statement is TRUE?

SSC JE Electrical 2018 with solution SET-1 Calculate the induced emf (in V) in the inductor of a series RL circuit having the inductance of 1.8 H and resistance of 90 Ohms after 20 milli-seconds when supplied by a 20 V DC source

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 A hysteresis Motor

SSC JE Electrical 2018 with solution SET-1
Determine the flux (in Wb) through a coil when the reluctance of the coil is 4 Amp-turns/Wb and the produced mmf is 48 Amp-turns

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 of the following statement is TRUE?

SSC JE Electrical 2018 with solution SET-1
Calculate the induced emf (in V) in the inductor of a series RL circuit having the inductance of 1.8 H and resistance of 90 Ohms after 20 milli-seconds when supplied by a 20 V DC source

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
A hysteresis Motor