ECAT Pre Engineering Physics Chapter 13 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 13 Current Electricity

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 13 Current Electricity

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Physics ECAT Pre Engineering Chapter 13 Current Electricity

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Question # 1

An electric field is generated along the wire when:

Question # 2

The charge carries in the electrolyte are:

Question # 3

When a constant potential difference is applied across the conductor, the drift velocity of electrons:

Question # 4

When two spherical conducting balls at different potentials are joined by a metallic wire, after some time:

Question # 5

In gases, the charge carries are:

Question # 6

The number of field lines passing through unit area held perpendicular to the field lines represent:

Question # 7

In case of metallic conductors, the change carries are:

Question # 8

An inkjet printer uses in its operation:

Question # 9

The quantity having the same unit as that of emf is:

Question # 10

Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:

Question # 11

The passage of current is accompanied by a magnetic field in the surrounding space:

Question # 12

In gases, the charge carriers are:

Question # 13

A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s

Question # 14

Static electricity is produced by the transfer of:

Question # 15

The conventional current is the name given to current due to flow of:

Question # 16

The rate at which the free electrons pass through any section of a metallic wire from right to left is:

Question # 17

SI unit of current describes the flow of charge at the rate of

Question # 18

The example/s of non-electrical energy to electrical is/are:

Question # 19

The current that flows through the coil of a motor causes

Question # 20

The positive charge moving in one direction is equivalent in all external affects to a:

Question # 21

In order to have a constant current through wire, the potential difference across its end should:

Question # 22

An eV is unit of:

Question # 23

Heating effect of current utilized in:

Question # 24

The electric flux through any surface depends upon:

Question # 25

A thermistor is a resistor which is:

Question # 26

Electric flux is:

Question # 27

The free electrons in metals:

Question # 28

The obvious effect/s of current is/are:

Question # 29

Thermistors are prepared under

Question # 30

The surface destiny of charge is defined is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these
2 When a constant potential difference is applied across the conductor, the drift velocity of electrons:
A.

Increases

B.

Decreases

C.

Remains the constant

D.

Either of these

3

The rate at which the free electrons pass through any section of a metallic wire from right to left is:

A.

Greater than the speed at which they pass from left to right

B.

Less than the speed at which they pass from left to right

C.

The same speed at which they pass from left to right

D.

Any of above

4 The conventional current is the name given to current due to flow of
A. Positrons
B. Positive charges
C. Negative charges
D. Both A and C
5 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor

6 The free electrons in metals:
A.

Are in random motion and their speed depends upon temperature

B.

Move in particular direction

C.

Move with speed of light

D.

Move such that their speed does not depend on their temperature

7 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
8 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area

9 The term drift velocity is used when the ends of a wire are:
A.

Connected to a laser source

B.

Connected to a voltage source

C.

Not connected to a voltage source

D.

At different values of potential

10 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion

Test Questions

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  • Hamza

    Hamza

    17 Aug 2019

    It has many error

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  • Salmankhan

    Salmankhan

    02 Feb 2018

    Sir g plz correct this mcq the device which convert electrical into machinical is called moter but here the answer is generator

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