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

00:00
Question # 1

Field lines are closer to each other in the region where the field is:

Question # 2

An example of photoconductor is:

Question # 3

An important part of inkjet printer is:

Question # 4

Kirchhoff's first rule is also called:

Question # 5

Most practical applications of electricity involve

Question # 6

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

Question # 7

The charge carriers in an electrolyte are

Question # 8

Static electricity is produced by the transfer of:

Question # 9

In case of metallic conductors, the charge carriers are

Question # 10

A field free region is found:

Question # 11

In a metal, the valence electrons are:

Question # 12

In case of metallic conductors, the change carries are:

Question # 13

Thermistors are prepared under

Question # 14

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

Question # 15

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

Question # 16

The earth’s potential and potential at infinity are taken:

Question # 17

The surface destiny of charge is defined is:

Question # 18

The value of resistivity is the least for:

Question # 19

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

Question # 20

The fourth band is a:

Question # 21

Two dissimilar metals joined at their ends kept at constant temperature constitute:

Question # 22

An important part of photocopier is:

Question # 23

Conversion of chemical energy to electrical energy can be achieved by:

Question # 24

In a metal, the valence electrons are:

Question # 25

The value of relative permittivity of different dielectrics are:

Question # 26

The electric flux through any surface depends upon:

Question # 27

A thermistor is a resistor which is:

Question # 28

An electric field is generated along the wire when:

Question # 29

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

Question # 30

The obvious effect/s of current is/are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
2 The value of relative permittivity of different dielectrics are:
A.

Equal

B.

Different

C.

Greater than one

D.

Smaller than one
3 The number of field lines passing through unit area held perpendicular to the field lines represent:
A.

Flux in that region

B.

Intensity of the field

C.

Charge

D.

Area of the region
4 The positive charge moving in one direction is equivalent in all external affects to a:
A.

Negative charge is moving in the same direction

B.

Positive charge is moving in the opposite direction

C.

Negative charge moving in the opposite direction

D.

Positive charges moving in the same direction
5

The magnitude of chemical Effects depends upon:
A.

Nature of liquid

B.

Quantity of Electricity passed through the liquid

C.

Color of the liquid

D.

Both (A) and (C)
6 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
7

While finding the electric intensity at a point between two oppositely charged parallel plates, the Gaussian surface is taken in the form of a hollow:
A.

Circle

B.

Rectangle

C.

Sphere

D.

Box
8 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
9

The effects of bends in a wire on its electrical resistance are:
A.

Zero

B.

Much larger

C.

Larger

D.

Smaller
10 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)

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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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