Question # 1

The number of neutrons in the nucleus of tritium is:

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1

2

3

4

Electronics is the study of principles by means of which we control the:

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Flow of electrons.

Nuclear fission

Fusion reaction

Radiations

diamond des not conduct electricity, because it has no:

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free electrons

free protons

free neutrons

free positive charge

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

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9X10⁹ N

9X10^-9 N

9X10⁸ N

9X10^-8 N

Capacitors that are used in resonant circuits that tune radios to particular frequencies, such circuits are called:

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Series circuits

Filter circuits

Parallel circuits

AC circuits

Which form of energy is sound:

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Electrical

mechanical

Thermal

Chemical

The line which passes through pole of the mirror and center of curvature is called principal:

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axis

Focus

Line

None of these

Program up gradation refers to:

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Program enhancement

Program identification

Program development

Program implementation

A positive electric charge:

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Attracts other positive charge

Repels other positive charge

Attracts a neutral charge

Repels a neutral chage

AND gate can be formed by using two:

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NOT gates

OR gates

NOR gates

Nand gates

isotopes are atom of same element with different.

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Atomic mass

Atomic number

Number of proton

Number of electron

If the change of current in a circuit induces a current in another circuit, this phenomena is known as:

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Self induction

Mutual induction

Electromagnetic induction

None mutual induction

Safe limit of radiations exposure in one year.

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4 rem

5 rem

3 rem

6 rem

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