Question # 1

The best material to be used as a core in the coils for making electromagnet is.

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Rubber

Plastic

Soft Iron

Steel

On ampere is equal to.

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100 mA

10 mA

1000 mA

10000 mA

Who was the first whihc explore the electromagnetic effect.

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Micheal faraday

George Simon Ohm

Coulomb

Hans Oested

Which of the following is magnetic substance.

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Glass

Marble

Gold

Cobalt

Which of the following is non-magnetic substace

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iron

Steel

Silver

Nickel

The rate of flow of charged is called.

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Volt

Ohm

Current

Coulomb

Mathematical form of Ohm's law.

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V = I/R

V = R/I

V = IR

V m/R

The unit of electric power is

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Ampere

Joule

Volt

Watt

The relation R = V/I is discovered by a

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American scientist

German scientist

British Scientis

Russian scientist

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General Science 8th Class English Medium Chapter 10 Online Test MCQs With Answers

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