Question # 1

Capacitors are mainly used for radio frequency tuning:

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Paper capacitor

Air capacitor

Mica capacitor

Electrolytic capacitor

A device which has two way communication is:

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Television

Radio

Hard disk

Mobile phone.

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

Which is the unit of energy:

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KWh

Electron volt

Joule

All of above

Which of the following reasons increase the importance of computer?

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Speedy

Long time storage of memory

Quick decision

All of these

From which of the following you can get information almost about everything?

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Book

Teacher

Computer

Internet

In liquids and gases the current is due to the motion of:

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Negative charges

Positive charges

Both positive and negative charges

None of these

Information storage devices work on the principles of

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Heat

Sound

Light

Magnetism

An example of input device of computer is.

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Key board

Printer

Monitor

RAM

1.6x10^-19 J= :

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1F

1N

1eV

The phenomena used in capacitor is:

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electrostatic induction

induced current

electric field

electroscope

If a dielectric medium is present between two point charges them electrostatic force will be:

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Increased

Decreased

Vanishes

Remain same

What does the term e-mail stand for?

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Emergency mail

Electronic mail

extra mail

external mail

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10th Class Physics Chapter 17 Information and Communication technology English Medium KPK Boards Online Mcqs MCQs With Answers

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