Question # 1

Charge on an electron was determined by

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Ampere

Millikan

Maxwell

Bohr

One henry is equal to

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1 ohm x 1 sec

1 ohm x 1 hertz

1 ohm x 1 metre

All of above

If V_rms be the root mean square value of emf then its peak to peak value is given by

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The sum of electric and magnetic force is called.

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Maxwell force

Lorentz force

Newton's force

Centripetal force

When a nucleus emits an alpha particle, its atomic mass decreases by

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1

2

3

4

Conversion of A.C into D.C is called:

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Compton effect

Rectification

Amplification

Pair production

Insulators have:

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An empty conduction band

Al full valence band

A large energy gap

All of above

The solids are classified as

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Polymeric

Amorphous

Crystalline

All of above

Kirchhoff's first rule is the manifestation of the law of conservation of.

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Mass

Charge

Energy

Momentum

The induced emf in a coil is proportional to:

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Magnetic flux through the coil

Rate of change of Magnetic flux through the coil

Area of the coil

Product of magnetic flux flux and area of the coil

At resonance, the behavior of R-L-C series circuit is.

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Resistive

Capacitive

Inductive

Modulative

Binding energy per nucleus for uranium is above:

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6.7 Mev

7.7 Mev

6.9 MeV

7.9 MeV

Very weak magnetic field produced by brain can be detected by

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MRI

CAT scans

Squid

CRO

Electro magnetic waves emitted from radio antenna are.

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Stationary

Longitudinal

Transvers

Both a and b

Which of the following is similar to electron.

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Beta particle

Alpha particle

Neutron

Proton

All motions are

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Absolute

Uniform

Relative

Variable

The ratio Beta in transistor is called.

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Voltage gain

Emitter gain

Current gain

Nuclear gain

The SI unit of magnetic induction Tesla is equal to

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N-1 Am

NA m2

NA-1n2

NA-1m-1

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