Physics 10 Unit 13 MCQs Tests

In this post, we have prepared 4 MCQs tests of Federal Board Physics 10 Unit 13 MCQs Tests. For more Class 10 Physics MCQs Tests visit this page.

Physics 10 Unit 13 MCQs Tests

Practice MCQs Test No 1

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238

Class 10 Physics

Chapter 13

Practice MCQs Test No 1

1 / 20

If we run a plastic comb through hair and then bring it near shell pieces of paper. The comb

Attract them

Repel them

Both attract and repel

None of these

2 / 20

Free electrons are

Fixed

Loosely bound

Tightly bound

strongly fixed

3 / 20

Electroscope is an instrument used for

To detect the type of charges

To identify conductor and insulator

All of these

Detecting presence of charge

4 / 20

The number of electrons in one coulomb charge is equal to

6.25x10¹⁹

1.6x10⁻¹⁹

6.2x10²¹

Zero

5 / 20

An insulating rod is charged positively by rubbing. This is due to:

Excess of protons

Deficiency of protons

Deficiency of electrons

Excess of electrons

6 / 20

In the presence of a charged body an insulated inductor develops positive charge at one end and negative charges at other end, this process is called the

Conduction

Friction

All of these

Electrostatic induction

7 / 20

An object gain excess negative charge after being rubbed against another ______ object.

Negatively charged

Positively charge

Neutral

Object

8 / 20

Electric charges can be produced by rubbing a neutral body with

Another neutral body

None of these

Charged body

Both Charged body and neutral body

9 / 20

If a glass rod is rubbed with a silk cloth, it receives charge by the process of:

Rubbing

Separation of charge

Heating

electric force

10 / 20

Which one of the following statements is correct?

Similar charges repel each other

Similar charges attract and repel each other

Similar charges attract each other

Similar charges neither attract nor repel each other

11 / 20

Metals are good conductors of electricity, because they have

Small number of bounded electrons

Small number of free electrons

Large number of free electrons

Large number of bounded electrons

12 / 20

Only _____ type of charges exist.

One

Four

Three

Two

13 / 20

Which one of the following statements is correct?

Opposite charges neither attracts nor repels each other.

Opposite charges attract and repel each other

Opposite charges repel each other

Opposite charges attract each other

14 / 20

When a glass rod is rubbed with a silk cloth, then

Both glass rod and silk acquire negative charge

Glass rod acquires negative charge while silk acquires positive charge

Glass rod acquires positive charge while silk acquires negative charge

Both glass rod and silk acquire positive charge

15 / 20

Study of charges at rest is called ______.

Electric Current

Electrostatics

Electrochemistry

Magnetism

16 / 20

Like charges always _____ each other.

Attract

Attract and repel

Repel

None of these

17 / 20

SI unit of electric charge is

Coulomb

Ampere

Watt

Volt

18 / 20

A positive charge

Attracts other positive charge

Repels other positive charge

Attracts the natural charge

Repels a neutral charge

19 / 20

When an insulating rod is charged negatively, this is due to:

Deficiency of protons

Deficiency of electrons

Excess of electrons

Excess of protons

20 / 20

A body can be charged by

Conduction

All of these

Electrostatic induction

Rubbing with another body

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Practice MCQs Test No 2

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144

Class 10 Physics

Chapter 13

Practice MCQs Test No 2

1 / 20

SI unit of electric intensity is

Nm

NC⁻¹

Nm⁻¹

Nm⁻²

2 / 20

The value of K

8.85x10⁹ Nm²C⁻²

none of these

6.67x10⁹ Nm²C⁻²

9x10⁹ Nm²C⁻²

3 / 20

Force experienced by a unit positive charge placed at a point in the electric field is known as

Electric potential

Magnetic field intensity

Electric field intensity

Capacity

4 / 20

The spacing between the field lines shows the

None of these

Direction of electric field

Both Strength and Direction of electric field

Strength of electric field

5 / 20

The magnitude of the charge on the electron is:

1.6x10⁻¹⁹ C

1.2x10⁻¹⁹ C

2.6x10⁻¹⁹ C

1.81x10⁻¹⁹ C

6 / 20

Electric charge of 100µC is 13 m apart from another charge 16.9µC. The force between them in Newton is

0.09

90

9x10⁷

9x10⁵

7 / 20

Who established fundamental law of electric force between two stationary charged particles?

Planks

Quantum

Coulomb

Faraday

8 / 20

If the distance between the two charged bodies is halved, the force between them becomes

Doubled

One half

Four times

Half

9 / 20

The space around the charge within which other charges are influenced by it is called

electric intensity

Electric field

Electric flux

Electric potential

10 / 20

Force of attraction or repulsion acts between

Non charged bodies

All of these

Two charged bodies

Neutral bodies

11 / 20

The force per unit charge is known

Electric flux

Electric intensity

Electric volt

Electric potential

12 / 20

Electroscope can be charge by the process

Electromagnetic tension

Electrostatic induction

Internal reflection

Magnetism

13 / 20

The electric force of repulsion between two electrons at a distance of 1 m is

1.5x10⁻⁹ N

2.30x10⁻²⁷ N

1.8 N

2.30x10⁻²⁷ N

14 / 20

K is constant of proportionality given by

K=Є/4π

K=1/4πЄₒ

K=4π/Єₒ

None of these

15 / 20

According to Coulomb's law

F=Kq₁r²/q₂

F=kq₁q₂/r

F=kr₁r₂/(q)²

F=kq₁q₂/r²

16 / 20

If the distance between two charges is doubled, the electric force between them will become

One fourth

Twice

Four times

Half

17 / 20

SI unit of K

Nm²C⁻²

Nm²C

N²m²C⁻¹

18 / 20

SI unit of electric field intensity is

Newton/coulomb

Coulomb

Volt

Ampere

19 / 20

A region around the charge in which it exerts electrostatic force on another charge is called

Magnetic field

Gravitational field

All of these

Electric field

20 / 20

The value of Coulomb's constant K depends upon

Medium between the charges

The system of units and the medium between the charges

Quantity of the charges

The system of units used

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Practice MCQs Test No 3

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95

Class 10 Physics

Chapter 13

Practice MCQs Test No 3

1 / 20

Electric field is strong when liens are

Separated

Closer

Smaller

Larger

2 / 20

Which one of the following is correct?

All of the above

1 µF = 10⁻⁶ F

1 ρF = I0⁻⁶ µF

1 ρF = 10⁻¹³ F

3 / 20

SI unit of capacitance.

Farad(F)

Coulomb

Newton

Voltage

4 / 20

When capacitors are connected in parallel, their equivalent capacitance is equal to

The product of their individual reciprocal capacitances

The sum of the reciprocals of the individual capacitances

The sum of their individual capacitances

The product of their individual capacitances

5 / 20

The work done in moving a unit positive charge form one point to another against the eclectic field is a measure of

Resistance between two points

Capacitance

Intensity of electric field

Potential difference between two points

6 / 20

Parallel plate capacitor consist of two metal plates separated by

all of these

Metal

Conductor

Insulator

7 / 20

_______ at a point in an electric field is equal to amount of work done in bringing unit positive charge from infinity to that point

Electric intensity

Volt

Electric potential

Potential difference

8 / 20

One electron volt is equal to

6.25x10¹⁸ J

6.25x10⁻¹⁸ J

1.6x10¹⁹ J

1.6x10⁻¹⁹ J

9 / 20

Electric field intensity is a vector quantity and its direction is

Opposite to the direction of force

At a certain angle

Perpendicular to the direction of field

Along the direction of force

10 / 20

Work done in bringing a unit positive charge from infinity to that point in an electric field is called

Potential difference

Electric potential

Resistance

Capacitance

11 / 20

In order to store the charge a device is used which is called

Capacitor

Momentum

Voltage

Potential

12 / 20

Which statement is true about electrical potential?

It is a scalar quantity

At any point v=w/q

Its SI unit is volt

all of these

13 / 20

The capacitance C of a capacitor is given by the relation

C=QV/2

C=Q/V

C=V/Q

C=QV

14 / 20

Electric potential is a

Vector quantity

Sometimes scalar and sometimes vector

Scalar quantity

Neither scalar nor vector

15 / 20

Which is incorrect for parallel capacitor?

Q₁=Q₂=Q₃=Q

Q=Q₁+Q₂+Q₃

v₁=v₂=v₃=v

Cₑ=C₁+C₂+C₃

16 / 20

The electron energy is one electron — volt when it is accelerated through a potential difference of

One Coulomb

One joule

One volt

One erg

17 / 20

The electric intensity at infinite distance from the point charge is

Positive

Infinite

1Volt-m⁻¹

Zero

18 / 20

The potential difference between two points is one volt. The amount of work done in moving a charge of one coulomb from one point to another is

One Joule

One electron volt

one coulomb

One erg

19 / 20

A capacitor is a perfect insulator for

Alternating current

Direct current

Both for the direct and alternating current

Electric charge

20 / 20

Electron volt is the unit of

Electric energy

Capacitance

Potential difference

Electric current

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Practice MCQs Test No 4

/19

97

Class 10 Physics

Chapter 13

Practice MCQs Test No 4

1 / 19

Variable capacitors are used in

Radio only

None of these

Television only

Radio and television

2 / 19

Capacitors are used in

All of these

Transistor radio

Receiver

Tuning Transmitters

3 / 19

It is a fixed capacitor

Mica capacitor

Capacitors in radio sets

Both Paper and Mica Capacitors

Paper capacitor

4 / 19

In variable capacitors, the value of capacitance can be

Decreased

Both increased and decreased

Increased

Fixed

5 / 19

Two 50µF capacitors are connected in parallel. The equivalent capacitance of the combination is

50 µF

25 µF

100 µF

1 µF

6 / 19

Capacitor have different types depending upon

Nature of dielectric

Their construction

None of these

Both construction and Nature of dielectric

7 / 19

Application of electrostatic is

Car painting

Photo copying

All of these

Extracting Dust

8 / 19

When capacitors are connected in series, their equivalent capacitance is equal to

The sum of the reciprocals of the individual capacitances

The product of their individual Capacitances

The sum of their individual capacitance

The product of their individual reciprocal capacitances

9 / 19

In fixed type of capacitors, the value of capacitance

Decreases

Increases

Cannot be changed

All of these

10 / 19

Farad is defined as

Coulomb/Joule

Coulomb/Volt

Joule/coulomb

Ampere/Volt

11 / 19

If 4µF and 2µF capacitors are connected in series, the equivalent capacitance is given by

1.3 µF

2 µF

6 µF

8 µF

12 / 19

The equivalent capacitance is greater than individual capacitance in

Series and parallel combination

Series combination

Parallel combination

All of these

13 / 19

In Mica capacitors the dielectric is

Mica

Copper

Polythene paper

Aluminum foils

14 / 19

In variable capacitors

One set of plates is fixed and the other is moveable

Both the sets of plates are neither fixed nor moveable

Both the sets of plates are moveable

Both the sets of plates are fixed

15 / 19

A radio tuning capacitor is a

Spherical capacitor

Variable cylindrical capacitor

Variable parallel plate capacitor

Tubular capacitor

16 / 19

Which of the following is commercial type capacitor?

Electrolytic capacitor

Tubular capacitor

All of these

Miniature capacitors

17 / 19

Tick the correct statement

Capacitance decreases in parallel combination

Capacitance is the same in both combinations

All of these

Capacitance decreases in series combination

18 / 19

Capacitors are used in resonant circuit that tune radios to particular frequency for

Car washing

Electrostatic air cleaner

Spray Painting

None of these

19 / 19

Three capacitors C₁, C₂ and C₃ are connected in parallel. Their equivalent capacitance will be

8 µF

0.8 µF

16 µF

1 µF

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