MDCAT Physics Chapter 9 online mcq test with answers for chapter 9 (Electromagnetic Induction)

Question # 1

The potential difference between head and tail of an "electric eel" can be upto.

6V A
60V B
6000V C
600V D

Question # 2

If the distance between the plates of a parallel plates capacitor is increased, its potential will:

Remain the same A
Increase B
Decrease C
Decrease exponentially D

Question # 3

The relative permittivity of air is

1 A
3.7 B
7.8 C
1.0006 D

Question # 4

The law, governing the force between electric charges is known as:

Ampere’s law A
Ohm’s law B
Coulomb’s law C
Faraday’s law65y7uhnb D

Question # 5

Two point charges +2 coulombs and +6 coulombs repel each other with a force of 12 N if a charge -4 coulomb is given to each of these charges the force will be:

4N repulsive A
8N repulsive B
4N attractive C
8N attractive D

Question # 6

Area under Q-V graph for a capacitor represents

Charged stored A
Energy stored B
Electric field strength C
Potential difference D

Question # 7

An electric field can deflect:

X-rays A
Neutrons B
𝛼 −particles C
𝛾 −rays D

Question # 8

A charged conductor has charged on its:

Outer surface A
Surrounding surface B
Inner surface C
Middle point D

Question # 9

The coulomb’s law is valid for the charges which are:

Moving and point charges A
Stationary and point charges B
Moving and non-point charges C
Stationary and large size charges D

Question # 10

Between the plates of a parallel plate condenser there is 1mm thick paper of dielectric constant 4. Itis charged at 100 volt. The electric field in volt/meter between the plates of the capacitor is:

100 A
25000 B
100000 C
400000 D

Question # 11

When a dielectric is inserted between the plates of a capacitor, Which one is true

Energy stored increase A
Energy stored decrease B
Capacitance decrease C
All D

Question # 12

If the magnitude of charge on each of two objects is doubled and the distance between them is also doubled then force between them:

Doubled A
Quadrupled B
Halved C
Remains same D

Question # 13

An electron is moving towards high potential. Its electrical P.E:

Increases A
Remains constant B
Decrease C
May increase may decrease D

Question # 14

A parallel plate air capacitor is charged and then isolated. When a dielectric material is inserted between the plates of the capacitor , then which of the following does not change:

Electric field between the plates A
Charge on the plates B
Potential difference across the plate C
Energy stored in the capacitor D

Question # 15

Capacitance of a capacitor does not depend upon

Separation between plates A
Thickness of the plates B
Area of the plates C
Medium between the plates D

Question # 16

Two point charges repel each other with a force of 4× 𝟏𝟎−𝟓 newton at a distanceof meter. Two charges are

Both positive A
Alike B
Both Negative C
Unlike D

Question # 17

A body gets positive charge. It means that:

It has lost electrons A
It has gained positions B
It has gained protons C
It has gained 𝛼 −particles D

Question # 18

A soap bubble is give a negative charge, then its radius:

Decrease A
Remains same B
Increases C
Bubble will disappear D

Question # 19

Which one of the following statements regarding electrostatics is wrong?

Charge is conserved A
Charge is quantized B
There is no field near an isolated charge at rest C
A moving charge produces both electric and magnetic fields D

Question # 20

The distance between the plates of a charged parallel plate capacitor is 4mm and potential difference is 6 volts. If the distance between the plates is increased to 12mm, then :

The potential difference of the capacitor will become 18 volts A
The P.D become 20 volts B
The P.D will remain unchanged C
The charge on condenser will reduce to one third D

Sr.#	Question	Answer
1	Two point charges repel each other with a force of 4× 𝟏𝟎−𝟓 newton at a distanceof meter. Two charges are	A. Both positive B. Alike C. Both Negative D. Unlike
2	The potential difference between head and tail of an "electric eel" can be upto.	A. 6V B. 60V C. 6000V D. 600V
3	If the magnitude of charge on each of two objects is doubled and the distance between them is also doubled then force between them:	A. Doubled B. Quadrupled C. Halved D. Remains same
4	Capacitor stores energy in the form of :	A. Electric field B. Both of these C. Magnetic field D. Gravitational field
5	Charge on a capacitor is 50C. if voltage applied across its plates is 10V then its capacitance:	A. 5F B. 0.02F C. 500F D. 0.2F
6	Two point charges +2 coulombs and +6 coulombs repel each other with a force of 12 N if a charge -4 coulomb is given to each of these charges the force will be:	A. 4N repulsive B. 8N repulsive C. 4N attractive D. 8N attractive
7	The coulomb’s law is valid for the charges which are:	A. Moving and point charges B. Stationary and point charges C. Moving and non-point charges D. Stationary and large size charges
8	The relative permittivity of air is	A. 1 B. 3.7 C. 7.8 D. 1.0006
9	A body gets positive charge. It means that:	A. It has lost electrons B. It has gained positions C. It has gained protons D. It has gained 𝛼 −particles
10	Between the plates of a parallel plate condenser there is 1mm thick paper of dielectric constant 4. Itis charged at 100 volt. The electric field in volt/meter between the plates of the capacitor is:	A. 100 B. 25000 C. 100000 D. 400000

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MDCAT Physics Chapter 9 MCQ Test With Answer for (Electrostatics )

MCQ's Test For MDCAT Physics Chapter 9 Electrostatics MCQ's Test

MDCAT Physics Chapter 9 Electrostatics MCQ's Test

The potential difference between head and tail of an "electric eel" can be upto.

If the distance between the plates of a parallel plates capacitor is increased, its potential will:

The relative permittivity of air is

The law, governing the force between electric charges is known as:

Two point charges +2 coulombs and +6 coulombs repel each other with a force of 12 N if a charge -4 coulomb is given to each of these charges the force will be:

Area under Q-V graph for a capacitor represents

An electric field can deflect:

A charged conductor has charged on its:

The coulomb’s law is valid for the charges which are:

Between the plates of a parallel plate condenser there is 1mm thick paper of dielectric constant 4. Itis charged at 100 volt. The electric field in volt/meter between the plates of the capacitor is:

When a dielectric is inserted between the plates of a capacitor, Which one is true

If the magnitude of charge on each of two objects is doubled and the distance between them is also doubled then force between them:

An electron is moving towards high potential. Its electrical P.E:

A parallel plate air capacitor is charged and then isolated. When a dielectric material is inserted between the plates of the capacitor , then which of the following does not change:

Capacitance of a capacitor does not depend upon

Two point charges repel each other with a force of 4× 𝟏𝟎−𝟓 newton at a distanceof meter. Two charges are

A body gets positive charge. It means that:

A soap bubble is give a negative charge, then its radius:

Which one of the following statements regarding electrostatics is wrong?

The distance between the plates of a charged parallel plate capacitor is 4mm and potential difference is 6 volts. If the distance between the plates is increased to 12mm, then :

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