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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

Physics ECAT Pre Engineering Chapter 13 Current Electricity

00:00
Question # 1

Which instrument is expensive and difficult to use?

Question # 2

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

Question # 3

The flux through a closed surface depends upon:

Question # 4

Aluminum is a:

Question # 5

In case of metallic conductors, the change carries are:

Question # 6

The emf is measured in:

Question # 7

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

Question # 8

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

Question # 9

The electric flux through any surface depends upon:

Question # 10

The obvious effect/s of current is/are:

Question # 11

The charge carriers in an electrolyte are

Question # 12

If the ends of a wire are connected to a battery an electric field E will be set up at:

Question # 13

Most practical applications of electricity involve

Question # 14

The magnitude of chemical Effects depends upon:

Question # 15

Tick the correct statement:

Question # 16

In gases, the charge carries are:

Question # 17

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

Question # 18

The interior of a hollow charged metal sphere is a region which:

Question # 19

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

Question # 20

The surface destiny of charge is defined is:

Question # 21

In gases, the charge carriers are:

Question # 22

An inkjet printer uses in its operation:

Question # 23

An electric field is generated along the wire when:

Question # 24

Another mean of electric potential energy per unit charge is given by:

Question # 25

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

Question # 26

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

Question # 27

As the current flows through the wire

Question # 28

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

Question # 29

Gaussian surface is always:

Question # 30

A thermistor is a resistor which is:

Submit

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


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

  • U
    Usman Shafiq 26 - May - 2024 00 Min 20 Sec 120/120
  • B
    Bilal Javed 02 - Jun - 2024 02 Min 25 Sec 120/120
  • A
    Abdullah Zubair 26 - Dec - 2024 07 Min 34 Sec 115/120
  • N
    Nitalaya Hassan 25 - Dec - 2024 01 Min 51 Sec 105/120
  • T
    Toseef Khalid 16 - May - 2024 08 Min 19 Sec 90/120
  • S
    Saira Iftikhar 11 - Aug - 2024 16 Min 48 Sec 90/120
  • M
    Muhammad Ali 27 - Jun - 2024 03 Min 38 Sec 85/120
  • G
    GOVT. SUFFA EDUCATION CENTER GIRLS MURIDKE 30 - May - 2024 05 Min 26 Sec 80/120
  • D
    donkey king 17 - May - 2024 06 Min 40 Sec 80/120
  • M
    Mehpara Khatoon 07 - Aug - 2024 05 Min 07 Sec 75/120
  • H
    HUSNAIN AHMAD 05 - Jun - 2024 05 Min 28 Sec 75/120
  • H
    Huzaifa Asim 25 - May - 2024 06 Min 23 Sec 75/120
  • M
    Maira Arshad 31 - May - 2024 15 Min 09 Sec 75/120
  • U
    Umaima Saeed 22 - May - 2024 12 Min 10 Sec 70/120
  • F
    Faisal Mehar 22 - May - 2024 24 Min 40 Sec 70/120
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 The current that flows through the coil of a motor causes
A. Its shaft to revolve
B. Its brushes to rotate
C. Motor to move
D. Its shaft to rotate
3

In case of metallic conductors, the change carries are:
A.

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
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 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
6 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
7 The passage of current is accompanied by a magnetic field in the surrounding space:
A.

Always accompanied

B.

Sometimes accompanied

C.

Never accompanied

D. Any of above
8 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
9 An eV is unit of:
A.

Potential

B.

Energy

C.

Work

D.

Power
10 The strength of magnetic field at certain points around a wire depends upon:
A.

Value of current passing

B.

Distance from the current element

C.

Color of the material

D.

Both (A) and (B)
11

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

Different

B.

Same

C.

Such that it is greater in the first case

D.

Such that it is greater in the second case
12 The value of relative permittivity of different dielectrics are:
A.

Equal

B.

Different

C.

Greater than one

D.

Smaller than one
13

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
14 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
15 SI unit of current describes the flow of charge at the rate of
A. One ampere per second
B. One coulomb per second
C. One electron per second
D. 6.25 x 1018electrons per second
16 Selenium is:
A.

An insulator

B.

A conductor

C.

Insulator in the dark and becomes conductor when exposed to light

D.

Conductor in the dark only
17 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C
18

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
19 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
20 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
21 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
22 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
23 The flux through a closed surface depends upon:
A.

Shape of geometry of the closed surface

B.

Charge enclosed

C.

Nature of the medium

D.

Both (A) and (B)
24 Which instrument is expensive and difficult to use?
A. Voltmeter
B. Potentiometer
C. CRO
D. Both A and C
25 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
26 When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:
A.

Decreases

B.

Increases

C.

Remains the constant

D.

Either of these
27

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
28 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
29

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

Straight lines

B.

Sine curves

C.

Curved

D.

Both (A) and (B)
30 In a metal, the valence electrons are:
A.

Attach to individual atoms

B.

Not attached to individual atoms

C.

Free to move within the metal

D.

Both (A) and (C)

Test Questions

Is this page helpful?