ECAT Pre General Science Physics Chapter 13 MCQ Test With Answer

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

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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Pre General Science Physics Chapter 13 Current Electricity

00:00
Question # 1

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:

Question # 2

In a metal, the valence electrons are:

Question # 3

As the current flow through the wire:

Question # 4

The emf is measured in:

Question # 5

Which instrument is expensive and difficult to use?

Question # 6

Thermistors are prepared under

Question # 7

In case of metallic conductors, the charge carriers are

Question # 8

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

Question # 9

Most practical applications of electricity involve

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

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

Question # 12

A thermistor is a resistor which is:

Question # 13

In case of metallic conductors, the charge carriers are

Question # 14

Electric flux is:

Question # 15

The flux through a closed surface depends upon:

Question # 16

In case of two identical charges placed certain distance apart, the electric field lines are:

Question # 17

The electric flux through any surface depends upon:

Question # 18

Aluminum is a:

Question # 19

The current that flows through the coil of a motor causes

Question # 20

In gases, the charge carriers are:

Question # 21

An important part of photocopier is:

Question # 22

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

Question # 23

Xerography means:

Question # 24

The device which can convert heat energy into electrical energy is called:

Question # 25

Most practical application of electricity involve

Question # 26

When certain area A is held parallel to the field lines, then:

Question # 27

An example of photoconductor is:

Question # 28

When two spherical conducting balls at different potentials are joined by metallic wire, the current starts:

Question # 29

The current that flows through the coil of a motor causes:

Question # 30

The obvious effect/s of current is/are:

Submit

Prepare Complete Set Wise ECAT Pre General Science Physics Chapter 13 Current Electricity MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Pre General Science Physics Chapter 13 Current Electricity MCQ`s Test

  • A
    Amal Kashif 04 - Jun - 2022 06 Min 54 Sec 75/120
  • W
    Waleed Ahmed 25 - Feb - 2023 14 Min 08 Sec 65/120
  • B
    Bint e Nasim 13 - Jun - 2021 23 Min 08 Sec 55/120
  • U
    Unknown 27 - May - 2024 12 Min 24 Sec 45/120
  • Z
    Zubair Khan 12 - Mar - 2023 00 Min 17 Sec 0/120

ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
2 The value of relative permittivity of different dielectrics are:
A.

Equal

B.

Different

C.

Greater than one

D.

Smaller than one
3 The interior of a hollow charged metal sphere is a region which:
A.

Contain some magnitude of electric field

B.

Is full of electric field lines

C.

Is field-free region

D.

Either (A) or (B)
4 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
5

Certain charge +q is placed at the center of a sphere. At each of the sphere,The directions of electric intensity and vector area are:
A.

Same

B.

Different

C.

Opposite to each other

D.

At 60º with each other
6

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
7

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
8

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

One coulomb

B.

0.5 coulomb

C.

30 coulomb

D.

2 coulombs
9 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
10

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

Primary cell

B.

Secondary cell

C.

Both (A) and (B)

D.

Photovoltaic cell

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!