Question # 1

Which is the most suitable means of reliable continuous communication between an orbiting satellite and Earth?

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Microwaves

Radio waves

Sound wave

any light waves

The example of magnetic disk is:

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Compact disk

Floppy disk

Audio cassette

Video cassette

Which process is involved to store charge in capacitors:

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Rubbing

Electrostatic induction

Conduction

Electromagnetic induction

The device which is used to convert sound waves into electrical signal is called:

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Ear piece

Microphone

Transmission channel

Receiver

Which is the unit of energy:

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KWh

Electron volt

Joule

All of above

The parts of computer which can be seen and touched are called:

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Hardware

Software

Modem

CPU

CD which is made of soft material is called:

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Hard disk

Floppy disk

Iron disk

Copper disk

The data stored in C.D. is.

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680 MB

650 MB

700 MB

750 MB

A unit of electric charge, equal to the charge of 6.25x10¹⁸ electrons is:

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Electricity

Coulomb

Electric potential

Volt

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

A parallel circuit is also used as a divider for:

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Power

Resistance

Current

Voltage

Thermocouples convert:

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Heat energy into electrical energy

Heat energy into light energy

Heat energy into mechanical energy

Chemical energy into electrical energy

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

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Increased

Decreased

Vanishes

Remain same

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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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