SSC JE ELECTRICAL 2019 WITH SOLUTION SET-1 QUIZ

When the only current source is active in the circuit, find the current through the 10Ω resistor

0.66 A

1.33 A

1.66 A

0 A

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YOUR ANSWER : ?

Which of the following lamps has the shortest/less life span in working hours?

Sodium vapor lamp

Mercury vapor lamp

Incandescent lamp

Fluorescent lamp

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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

1.25 mH

2.5 mH

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In a transmission line, the voltage regulation is negative whenever receiving end voltage Vs

Equal to the sending end voltage

Greater than the sending end voltage

Less than the sending end voltage

Half of the sending end voltage

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The Norton’s current in the circuit shown below is<br/>

12A

120A

4A

2A

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Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%

2.5Hz

50Hz

25Hz

5Hz

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The function of condenser in a Thermal power plant is:

Condense used steam into water

Purify water

Condense water

Purify steam

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Identify the machine shown in the circuit

DC shunt motor

DC short shunt compound motor

DC long shunt compound generator

DC short shunt compound generator

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Lamp efficiency is measured in

Lumen/lux

Lux/watt

Candela/watt

Lumen/watt

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Hunting occurs in a/an motor

DC shunt

Synchronous

Induction

DC series

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