Question # 1

A moving charge is surrounded by:

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2 Fields

3 Fields

4 Fields

None of these

Efficiency of transformer does not affected by

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Input voltage

Core of transformer

Insulation between sheet

Resistance of coils

Doping is made comparatively larger in

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Emitter

Base

Collector

P -type semi conductor

Binding energy for deuteron nucleus is given by

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2.8 MeV

2.23 MeV

2.28 MeV

2.25 MeV

In Millikan's oil drop experiment a charged particle of mass 'm' is in equilibrium in an will

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Zero

g/2

g

2g

A.C is converted into D.C by

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Dynamo

Rectifier

Motor

Transformer

In modulation, low frequency signal is known as

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Carrier wave

fluctuated signal

Modulated carrier signal

Modulation signal

In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.

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Maximum

Minimum

Zero

Negative

The radius of hydrogen atom is:

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0.53A°

0.053A°

0.53 x 10^-9

0.053 x10^-9

All motions are

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Absolute

Uniform

Relative

Variable

The uncertainty principle was given by

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De-Broglie

Heisenberg

Einstein

Max Planck

The resistance between the inverting (-) and non inverting inputs is called Input resistance and is the order of.

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Ohms

Kilo Ohms

Mega Ohms

Thounds Ohms

The SI unit of relative permittivity is.

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Fm-1

C2N-1m-2

Nm2C-2

No unit

By emitting Beta particle and gama particle simultaneously the nucleolus changes in its charges by

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N

N/2

N/4

3N/4

By winding the coil around a less magnetic core, self induction.

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Will increase

Will decrease

Remain same

First increase then decrease

Balmer series lies in region of electromagnetic spectrum.

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Infrared

Visible

Ultraviolet

Fra infrared

Subatomic particles are divided into groups.

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Photon

Laptons

Hadrons

All of these

Coulomb's force is:

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Conservative force

None conservative force

Similar to frictional force

None of the above

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