Question # 1

The jerks in D.C. motor are created by the use of.

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Armature

Commutators

Split rings

Source of emf

The most common source of an A.C. Voltage is.

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Motor

Cell

Generator

Thermo couple

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

A° is the unit of:

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Energy

Length

Nuclear energy

Work

The number of protons in any atom are always equal to the number of

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Neutrons

Electrons

Positrons

Mesoris

James chadwick discovered:

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Proton

Positron

Neutron

Electron

The effective way to increase the sensitivity of moving coil galvanometer is.

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Increase the area of coil

Increase the number of turn

Increase the magnetic field

Increase the value of constant C

NC-1 is the SI unit is

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Force

Charge

Current

Electric intensity

Thermosouple is an arrangement of two different metals:

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Two convert heat energy into electrical energy

To produce more heat

To convert heat energy into chemical energy

To convert electrical energy into heat energy

The materialization of energy take place in the process of.

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Photo electric effect

Compton Effect

Pair production

Annihilationof matter

The capacitance of a capacitor depends upon.

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Thickness of plates

Charges on the plates

Voltage applied

Geometry of the capacitor

Photodiode is used for wave nature of.

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Light

Thermal radiation

Radi waves

Sound waves

A positive charge is moving towards an observer, The direction of magnetic induction will be.

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Toward right

Anti clockwise

Clockwise

Toward left

The types of quacks are.

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2

3

4

6

How many neutrons are there in the nuclide Zn⁶⁶?

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22

30

36

66

Terminal potential difference is greater than emf of the cell when

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Circuit is open

Circuit is closed

small battery is charged by bigger battery

None of these

The unit of permiability of free space is:

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T.m/A

T.m²/A

T.m/A²

None of these

When charge particle enter perpendicular to magnetic field, the path followed by it is:

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A helix

A circle

Straight line

Ellipes

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Physics Fsc Part 2 Online Test MCQs With Answers

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