Question # 1

Optical fibre are:

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Cheap

Flexible

Lighter

All of these

1 GB = ______________ Megabytes.

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1022

1023

1024

1025

George Boole invented:

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Boolean algebra

Arithmetic algebra

Mean algebra

Geometry

When did Michael Faraday discover Electromagnetic induction?

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1841

1831

1821

1811

A transformer has Np =100 and Ns =500 , if 6 volt D.C is applied across its primary, the induced voltage.

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0 V

30 V

45 V

60 V

If the mass of the bob of a pendulum is increased by a factor of 3. The period of the pendulum's motion will:

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Be increased by a factor 2

Remain the same

Be decreased by a factor of 2

Be decresaed by a facro of 4

Electron gun has an electrode called for controlling the flow of electrons in the beam:

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Plate

Grid

Screen

Filament

If a neutral body is brought near to the electroscope its leaves:

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Diverge

Contract

Shut

Remain in normal position

The value of refractive index of water is:

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2.33

1.36

1.33

1.39

The displacement produced in the spring directly proportional to force is called:

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Hook's law

Boyle's law

Newton's law

both 'b' and 'c'

1.6x10^-19 J= :

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1F

1N

1eV

Which we double the voltage in a simple electric circuit. We double the

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Current

Power

Resistance

both a and b

parallel plate consists of 2 metal plates separated by:

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conductor

insulator

wooden plate

plastic foam

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