SSC JE Electrical 2019 with solution SET-2

SSC JE Electrical 2019 with solution SET-2
In Boolean algebra (A. Ā) + A

Ā

A

1

0

Ā

A

1

0

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SSC JE Electrical 2019 with solution SET-2
Which of the following is an important feature of a 3-phase synchronous motor?

Low starting torque

No starting torque

Low starting current

High starting torque

Low starting torque

No starting torque

Low starting current

High starting torque

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SSC JE Electrical 2019 with solution SET-2
A coil of 360 turns is linked by a flux of 200 μWb. If the flux is reversed in 0.01 second, then find the EMF induced in the coil?

144 V

14.4 V

7.2 V

0.72 V

144 V

14.4 V

7.2 V

0.72 V

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SSC JE Electrical 2019 with solution SET-2
Four relations are given below. Identify the correct relation regarding a transistor?

IE < IC > IB

IE > IC > IB

IE ÷ IC = IB

IE > IC < IB

IE < IC > IB

IE > IC > IB

IE ÷ IC = IB

IE > IC < IB

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SSC JE Electrical 2019 with solution SET-2
Which of the following lamps is used s a sign or an indicator lamp?

Fluorescent lamp

Halogen lamp

Neon lamp

Incandescent lamp

Fluorescent lamp

Halogen lamp

Neon lamp

Incandescent lamp

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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

Power factor

Speed of the motor

Supply voltage

Load angle

Power factor

Speed of the motor

Supply voltage

Load angle

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