Question # 1

One milli ampere is equal to.

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100 micro Ampire

1000 micro Ampire

10 micro Ampire

1 micro Ampire

Who was the first whihc explore the electromagnetic effect.

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Micheal faraday

George Simon Ohm

Coulomb

Hans Oested

Mathematical form of Ohm's law.

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V = I/R

V = R/I

V = IR

V m/R

Which of the following is non-magnetic substace

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iron

Steel

Silver

Nickel

An electric circuit is the path along whihc.

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Electron revolve around the nucleus of an atom

Electric charge flows.

Magnetic lines of force move

Electric motors move

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

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

Which of the following is magnetic substance.

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Glass

Marble

Gold

Cobalt

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