Question # 1

In order to measure potential difference voltmeter is always connected in.

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Series

Parallel

Both a and b

Neither in series nor in parallel

NIBA =

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cθ

θ/c

c²θ

c²/θ

Charge carriers in electrolytes are.

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Protons

Electrons

Holes

Positive and Negative ions

Mutual induction has a practical role in the performance of the.

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Radio choke

Transformers

A.C. Generator

D.C. Generator

A pair of quark and anti quark makes a.

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Meason

harden

Lapton

Baryon

The amount of energy equal to 1.6 x 10^-18 J is called.

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One volt

One milli volt

One electron volt

One mega electron volt

The magnitude of motional emf is given by

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Both Xenon and cesium have

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33 isotopes

34 Isotopes

36 Isotopes

35 Isotopes

A proton consists of quarks which are.

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Two up, one down

One up, two down

All up

All down

Minimum number of semi conductor diodes required for full wave rectification are.

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1

2

3

4

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Wien's constant

Planck's constant

Davison constant

Lumber's constant

1 amu is equal to

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1.0606 x 10^-27 kg

1.66 x 10^-31 kg

1.66 x 10^-34 kg

1.66 x 10^-19 kg

If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be

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136.0 volt

3.0 volt

13.6 volt

None of these

The chargeless region after formation of Pn junction is called:

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Free region

Depletion region

Field region

U.V region

Radius of first Bohr's orbit is.

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0.053 nm

0.053 mm

0.053 micro meter

0.053 m

Which of the following basic force is able to provide an attraction between two neutrons:

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Electrostatic and nuclear b

Electrostatic and gravitational

Gravitational and strong nuclear

Only nuclear force

Energy needed to produce an electron hole in solid state detector is.

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1 to 2 eV

3 to 4 eV

6 to 7 eV

8 to 9 eV

Grid in cathode ray oscilloscope controls.

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Number of electron

Temperature of filament

Frequency of electron

Energy of electrons

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