Question # 1

Closeness of the electric field lines is the measure of.

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Direction of field

Strength of field

Potential difference

Uniformity of field

S.I unit of strength of electric field is

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J/C

C/V

V/C

N/C

Young's modulus for water's is

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Zero

1

2

3

A current carrying conductor experience maximum magnetic force in a uniform magnetic field when it is placed.

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Perpendicular to field

Parallel to field

At an angle of 60 ^o to the field

None of these

The magnitude of motional emf is given by

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Galvanometer is sensitive when C/BAN is

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zero

Large

small

Negative

The condition for the wheatstone bridge to be balanced is given by

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None of above

Which one is not a crystalline solid.

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Zinc

Copper

Nylon

None of these

Which component of the transistor has greater contrition of impurity.

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Base

Emitter

Collector

Emitter and collector

Hydrogen atom spectrum does not lie in

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Ultraviolet region

Visible region

Infrared region

X ray region

Anti particle of electron is

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Proton

Photon

Neutron

Positron

The solids are classified as

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Polymeric

Amorphous

Crystalline

All of above

A.C is converted into D.C by

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Dynamo

Rectifier

Motor

Transformer

The half life of radioactive elements depends upon

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Temperature

Nature of element

Amount of the radioactive substance

Pressure

Truth table of logic function.

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Summarize its output values only

Tabulates all its input conditions only

Display all its input and output possibility

Is not base on logic algebra

e.m.f is the conversion of --------------- energy into electrical energy

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Chemical

Solar

Light

None of these

The unit of conductivity is:

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Ohm^-3m^-1

Ohm m^-1

Both a and b

Ohm m^-1

Unit of decay constantλ is:

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ms

m^-1

m

S^-1

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