SSC JE ELECTRICAL 2018 WITH SOLUTION SET-1 QUIZ

Which one of the following is the S.I unit of the magnetic field strength?

Ampere/Meter

Ampere-Meter

Tesla

Weber

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The output Resistance (in kΩ) of the common base transistor is of the order of

100

50

1

None of these

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Direct resistance Heating is used in

Resistance Welding

Electrode Boiler

Salt-Bath furnace

All of these

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In a split-phase Motor

Both starting and running windings are connected through the centrifugal switch

The running winding is connected through a centrifugal switch

The starting winding is connected through a centrifugal switch

The centrifugal switch is used to control the supply voltage

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Which of the following is the CORRECT formula for permeance?

B/H

φ/Fm

Fm/L

I/H

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The resistivity of a conductor depends upon

Shape of cross-section

Pressure

Degree of Illumination

Temperature

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A circuit having the power factor of 0.8 consumes 40 W. What will be the value of reactive power (in VAR) of the circuit?

30

10

20

40

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Determine the value of current (in A) through both the resistors of the given circuit.<br/>

2, −1.5

−2, 1.5

−2, −1.5

2, 1.5

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The maximum speed variation in a synchronous motor is

5%

2%

10%

Zero

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The process of adding, impurities to a semiconductor is known as___

Doping

Polling

Instrusion

Pugging

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