Question # 1

The force of Neutron due to field of 10² N/C is.

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1.6 x 10^-17N

1.6 x 10^-19N

Zero

1.6 x 10^-21N

How many neutrons are there in the nuclide Zn⁶⁶?

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22

30

36

66

_______ is the building block of every electronic circuit.

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Semi conductor diode

Resistor

Capacitor

Amplifier

The Unit of decay constant.

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Second

(second)-1

m-1

mk

Power dissipation in A.C circuit is expressed as:

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P =I_rms x V_rms Sinθ

IxVCosθ

I_rmsxV_rmsCosθ

I_rms x V_rms Sin2θ

For workers in nuclear facilities is, a weekly does of is normally considered safe

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1.0 msv

5.0 msv

2.0 msv

3.0 msv

Rutherford performed on experiment on a nuclear reaction in:

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1921

1981

1927

1932

The peak value of A.C source is 20 A, then its rms value will be.

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14.1 A

10 A

20 A

28.2 A

A sensitive galvanometer is

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Unstable

Stable

Moderate

Both B and C

The value of Rydberg constant is:

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1.0749x10⁷m^-1

1.0974 x 10⁷ m^-1

1.974 x10⁶m^-1

1.0974 x 10^-7 m^-1

At high frequency, the current through a capacitor is

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Small

Infinity

Zero

Large

The resonance frequency is given by:

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fr = 2π√LC

fr = 1/2πLC

fr = 1/ 2π√LC

f1 = 1/ 2πC√L

A resistance frequency the impedance of RLC parallel circuit is.

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Zero

Infinite

Maximum

Minimum

The Kirchhoff 1^st rule is manifestation of:

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Law of conservation of mass

Law of Conservation of charge

Law of conservation of energy

None of above

Which of the following is one of the spectral series of atomic hydrogen?

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Brockett series

Balmer series

P fund series

All of above

The input resistance of an op amplifier is.

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Low

High

Zero

Equal to output resistance

The working principle of transformer is.

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Self induction

Faraday's law

Mutual induction

Electromagnetic induction

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Wien's constant

Planck's constant

Davison constant

Lumber's constant

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