Question # 1

A group of instructions or a program which guides hardware to do work is called:

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Hardware

Micro processor

Memory

Software

The presence of fish by the other fish can be detected by:

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Magnetic field

Electric field

Gravitational field

All of above

A dielectric must be:

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Resistor

Insulator

Good conductor

Semi conductor

A paper capacitor is usually available in the form of:

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Tubes

Rolled foil

Disc

Plates

The direction of electric field lines due to positive charge is:

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A way from the charge

Towards the charge

Both a and b

None of these

electroscope can also be charges by the process of:

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electrostatics

electricity

convection

conduction

A device which has two way communication is:

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Television

Radio

Hard disk

Mobile phone.

CD which is made of soft material is called:

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Hard disk

Floppy disk

Iron disk

Copper disk

What does the term e-mail stand for?

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Emergency mail

Electronic mail

extra mail

external mail

The phenomena used in capacitor is:

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electrostatic induction

induced current

electric field

electroscope

the substance in which electric current flows easily is called:

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transistor

semi conductor

insulator

conductor

the phenomena which is used in applying paints on the surface of different articles is called:

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electroplating

electroscope

electrostatic induction

electrolytes

electric field is weak when:

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lines are far apart

lines are close together

no lines are present

lines are directed outside

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