Question # 1

Positive charge in an electric field always tend to move:

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Does not move

From lower to higher potential

From higher to lower potential

All of these

Which of the following tasks are performed by most of the algorithms?

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Input

Out put

Processing

All of these

Coaxial cable are used to transmit signals:

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Magnet

Electric

Mechanical

Both mechanical and magnet

Magnification of mirror is given by:

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m=p/q

m=q/p

m=pxq

m=1/p+q

Which of the following is a method of energy transfer.

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Conduction

Reatiation

wave motion

all of these

When a heavy nucleus splits into, lighter nuclei, the process would .

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Release nuclear energy

Absorb nuclear energy

Release chemical energy

Absorb chemical energy

study of charges at rest is called:

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acoustics

electrostatics

electronics

electricity

Formula for time period of spring mass system is represented by:

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T = 2π√m/k

T = 2π √k/m

T = 1/2π√k/m

T = 1/2π√m/k

Transformer works on _______ supply.

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A.C

D.C

Battery

Both A and B

The unit of electrical energy is:

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Joule

Watt

Volt

Electron volt(eV)

Which frequency is used by elephants to communicate with each other:

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Zero frequency

Low frequency

Medium frequency

High frequency

A conductor of electric current is:

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Wood

Rubber

Plastic

Copper

The electrostatic force acting on two charges each of 1 C separated by 1m is about .

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9 x 10⁹ N

9 x 10^-9N

9 x 10⁸N

9 x 10^-8N

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