Question # 1

1.6x10^-19 J= :

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1F

1N

1eV

One joule per coulomb is called:

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Volt

Farad

Ampere

Tesla

Which waves of the following has highest frequency?

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Radio waves

Micro waves

Light wave

Sound wave

1 GB = ______________ Megabytes.

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1022

1023

1024

1025

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

Which technology is used in mobile phone:

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Heat

Radio

Light

Laser

which is a major cause of fires and explosions at many places:

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match sticks

bombs

static electricity

magnetism

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

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Electricity

Coulomb

Electric potential

Volt

Hard disk is made of:

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Aluminium

Copper

Iron

Plastic

F=

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qE

q-E

q/E

q+E

It is used in satellite communication:

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Radio waves

Micro waves

Light waves

Electrical waves

What happens to the intensity or the brightness of the lamps connected in series as more and more lamps are added:

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Increases

Decreases

Remains the same

Cannot be predicted

Resistance of a wire of conductor of 2 Ω resistance is doubled:

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4 Ω

6 Ω

8 Ω

10 Ω

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