A coil is wound with 50 turns and a current 8A produces a flux of 200μWb. Calculate the inductance of the coil

SSC JE Electrical 2019 with solution SET-1
A coil is wound with 50 turns and a current 8A produces a flux of 200μWb. Calculate the inductance of the coil

0.125 mH

0.25 mH

2.5 mH

1.25 mH

0.125 mH

0.25 mH

2.5 mH

1.25 mH

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SSC JE Electrical 2019 with solution SET-1
An electric motor in which both the rotor and stator fields rotate with the same speed is called

Synchronous motor

Universal motor

DC motor

Induction motor

Synchronous motor

Universal motor

DC motor

Induction motor

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SSC JE Electrical 2019 with solution SET-1
What is the reason behind using a centrifugal switch in a single-phase induction motor?

To improve the starting performance of the motor

To cut-off the starting winding at an appropriate instant

To protect the motor from overloading

To out in the capacitor during running conditions

To improve the starting performance of the motor

To cut-off the starting winding at an appropriate instant

To protect the motor from overloading

To out in the capacitor during running conditions

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SSC JE Electrical 2019 with solution SET-1
Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%

50Hz

25Hz

5Hz

2.5Hz

50Hz

25Hz

5Hz

2.5Hz

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

High starting torque

Medium starting torque

Zero starting torque

Low starting torque

High starting torque

Medium starting torque

Zero starting torque

Low starting torque

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SSC JE Electrical 2019 with solution SET-1
In the circuit shown, the pressure coils of two wattmeters are connected to

Neutral Wire

Y

R

B

Neutral Wire

Y

R

B

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 A coil is wound with 50 turns and a current 8A produces a flux of 200μWb. Calculate the inductance of the coil

SSC JE Electrical 2019 with solution SET-1 An electric motor in which both the rotor and stator fields rotate with the same speed is called

SSC JE Electrical 2019 with solution SET-1 What is the reason behind using a centrifugal switch in a single-phase induction motor?

SSC JE Electrical 2019 with solution SET-1 Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%

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 In the circuit shown, the pressure coils of two wattmeters are connected to

SSC JE Electrical 2019 with solution SET-1
A coil is wound with 50 turns and a current 8A produces a flux of 200μWb. Calculate the inductance of the coil

SSC JE Electrical 2019 with solution SET-1
An electric motor in which both the rotor and stator fields rotate with the same speed is called

SSC JE Electrical 2019 with solution SET-1
What is the reason behind using a centrifugal switch in a single-phase induction motor?

SSC JE Electrical 2019 with solution SET-1
Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%

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
In the circuit shown, the pressure coils of two wattmeters are connected to