Current Electricity Mcqs

Our collections of Multiple choice questions and answers focuses on study of Current Electricity in Physics. These questions are chosen from a collection of most authoritative and best reference books on Physics. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Chemical industry job interviews. One should practice our Mcqs to assimilate knowledge on Current Electricity in Physics comprehensively.

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Computer MCQS

Sciences MCQS

32.
Thermocouples convert

Heat energy into electrical energy

Heat energy into light energy

Heat energy into mechanical energy

Mechanical energy into heat energy

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33.
Three bulbs are rating 40W 60W and 100W designed to work on 220V mains. Which bulb will burn most brightly if they are connected in series across 220 V mains?

40 W bulb

60 W blub

100 W blub

All will burn equally brightly

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34.
Three equal resistors connected in series with a source of e m f together dissipate 10 W of power each. What will be the power dissipated if the same resistors are connected in parallel across the same source of e m f?

40 W

90W

100W

120W

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35.
When 2? 4? and 6? resistor are connected in parallel their resultant equivalent resistance will be

12?

11/12?

12/11?

Data is insufficient

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36.
When same current passes for same time through a thick and thin wire

More heat is produced in thick wire

More heat is produced in thin wire

No heat is produced in wire

Less heat is produced in thick wire

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39.
Which one of the following materials is useful for making bulb filaments?

Constantan

Nichrome

Copper

Tungsten

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40.
Why should a resistance be introduced in a circuit in series deliberately?

To increase current

To decrease current

To control current

Just to give a good look to circuit

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Engineering MCQS

General Subjects MCQS

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