Online MCQ Test for ECAT Physics Unit Ch 13

Physics ECAT Pre Engineering Chapter 13 Current Electricity

Total Questions30
Time Allowed30

Start Test

Physics ECAT Pre Engineering Chapter 13 Current Electricity

00:00

Question # 1

Static electricity is produced by the transfer of:

Electrons
A
Protons
B
One fluid
C
Two fluids
D
None of these
E

Question # 2

When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:

Decreases
A
Increases
B
Remains the constant
C
Either of these
D
None of these
E

Question # 3

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:

Circle
A
Rectangle
B
Sphere
C
Box
D
Cylinder
E

Question # 4

The magnitude of chemical Effects depends upon:

Nature of liquid
A
Quantity of Electricity passed through the liquid
B
Color of the liquid
C
Both (A) and (C)
D
Both (A) and (B)
E

Question # 5

An ideal voltmeter has:

Zero resistance A
Small resistance B
Large resistance C
Infinite resistance D
Both A and B E

Question # 6

Which of the following substances has got positive temperature coefficient of resistance?

Carbon A
Germanium B
Silicon C
Aluminium D
None of these E

Question # 7

Magnetic effect of current is used:

In electric motor
A
To detect current
B
To measure current
C
All of these
D
None of these
E

Question # 8

Thermistors are prepared under

High pressure and low temperature A
High pressure and high temperature B
Low pressure and low temperature C
Low pressure and high temprature D
None of these E

Question # 9

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

Greater than the speed at which they pass from left to right
A
Less than the speed at which they pass from left to right
B
The same speed at which they pass from left to right
C
Any of above
D
None of them
E

Question # 10

Electrostatics is the branch of physics which deals with the study of electro charges:

At rest
A
At rest under the action of electric forces
B
In motion under the action of electric forces
C
In motion
D
At rest under the action of nuclear forces
E

Question # 11

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

Positrons A
Positive charges
B
Negative charges
C
Both (A) and (C)
D
None of these
E

Question # 12

An electric field is generated along the wire when:

Its resistance is very high
A
A constant potential is maintained across the wire
B
Net current through the wire is zero
C
A constant potential difference is maintained across the wire
D
Either (A) or (D)
E

Question # 13

An example of photoconductor is:

Boron
A
Carbon
B
Iron
C
Aluminum
D
Selenium
E

Question # 14

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

Straight lines
A
Sine curves
B
Curved
C
Both (A) and (B)
D
None of these
E

Question # 15

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

Thermistor
A
Thermometer
B
Thermostat
C
Thermocouple
D
Both (C) and (D)
E

Question # 16

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

Stronger
A
Weaker
B
Much weaker
C
Absent
D
None of these
E

Question # 17

Xerography means:

Dry writing
A
Wet writing
B
Poor writing
C
Excellent writing
D
Both (A) and (B)
E

Question # 18

Tick the correct statement:

Both the potential and potential difference is scalars
A
Potential is a scalar but potential difference is a vector
B
Both are vectors
C
Potential is vector but potential difference is scalar
D
None of these
E

Question # 19

The value of resistivity is the least for:

Copper A
Aluminimum B
Silver C
Tungsten D
Iron E

Question # 20

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

One coulomb
A
0.5 coulomb
B
30 coulomb
C
2 coulombs
D
None of these
E

Question # 21

In case of metallic conductors, the change carries are:

Protons
A
Electrons
B
Antiprotons
C
Positrons
D
Both (A) and (B)
E

Question # 22

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

Its shaft to revolve
A
Its brushes to rotate
B
Motor to move
C
Its shafts to rotate
D
None of these
E

Question # 23

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

Cell
A
Voltmeter
B
Thermocouple
C
Potentiometer
D
None of these E

Question # 24

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

Equal
A
Zero
B
First is greater than the second
C
Second is greater than the first
D
Both (A) and (B)
E

Question # 25

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

Both the conductors are at the same potential
A
Potential difference across the conductors remain constant
B
Potential difference across the conductors becomes zero
C
Both (A) and (B)
D
Both (A) and (C)
E

Question # 26

The value of relative permittivity of different dielectrics are:

Equal
A
Different
B
Greater than one
C
Smaller than one
D
Both (B) and (C)
E

Question # 27

Gaussian surface is always:

Rectangular
A
Spherical
B
Cylindrical
C
Box shape
D
Any of these
E

Question # 28

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

Chemical energy
A
Mechanical energy
B
Heat energy
C
Both (A) and (B)
D
All of these
E

Question # 29

In gases, the charge carriers are:

Electrons A
Positive ions B
Negative ions C
Both A and C D
Both A and B E

Question # 30

A thermistor is a resistor which is:

Light Sensitive A
Heat Sensitive B
Sound Sensitive C
All of these D
None of these E

Submit

Download Result

Matric Part 2/10th Class English Chapter 1 MCQ Test With Answer for Chapter 1 Hazrat Muhammad (S.A.W) an Embodiment of Justice

Here on this page you can attempt class 10 English chapter 1 mcqs online test and assess your progress. You can start the online test for class 10 English chapter 1 mcqs by clicking the “Start Chapter 1 Test” button and after that just select the answers one by one of all the question. If you want to prepare better for the 10th class English mcqs test, we have given 10th class English chapter 1 mcqs pdf file on this page. This 10th class English chapter 1 mcqs solved file contains all the chapter 1 English 10th class important mcqs. We encourage all the 10th class students to try this English online test, it will help you regardless in the 10th class English board exam. The English chapter 1 test also includes grammar mcqs to help students with objective part of their board exam.

Biology Chapter 1 - Answers Mode

Not ready for the test yet? No problem.
You can use the answers mode to study and prepare
yourself for the online MCQ test.

Start Test

Biology Chapter 1 MCQ - PDF

Download PDF with answers to study online or offline. The PDF cotnains all MCQ questions with answers for Class 10 Biology Chapter 1 - Acids and Liquids. Total questions are 12.

Download PDF

Is this page helpful?

Thank you for your feedback. We are happy our work helped you.

Now, please consider sharing this page to your friends/class-fellows. Thank you

We are sorry to know you could not find your required information.

Please take a moment to let us know about your feedback.

A vibrant community of 491K followers. Join to get daily updates for exams & study activities.

Join our 2.29 Million subscribers on Pakistan's #1 Educational YouTube Channel to keep learning.

A great way to remain in touch with latest educational news. Become one of our 57.8k followers.

Make your Insta feed full of interesting information & educational content. Follow us on Instagram.

Make your valuable fun time more valuable. Get short informative & educational videos.

Latest Educational News Stories

Pakistan's Largest Database of Colleges and Universities

BS Programs

University Past Papers

University Results

Exam Results 2024

Study Abroad Programs and Opportunities for Pakistani Students

Physics ECAT Pre Engineering Chapter 13 Current Electricity

Physics ECAT Pre Engineering Chapter 13 Current Electricity

Physics ECAT Pre Engineering Chapter 13 Current Electricity

Static electricity is produced by the transfer of:

When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:

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:

The magnitude of chemical Effects depends upon:

An ideal voltmeter has:

Which of the following substances has got positive temperature coefficient of resistance?

Magnetic effect of current is used:

Thermistors are prepared under

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

Electrostatics is the branch of physics which deals with the study of electro charges:

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

An electric field is generated along the wire when:

An example of photoconductor is:

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

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

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

Xerography means:

Tick the correct statement:

The value of resistivity is the least for:

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

In case of metallic conductors, the change carries are:

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

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

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

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

The value of relative permittivity of different dielectrics are:

Gaussian surface is always:

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

In gases, the charge carriers are:

A thermistor is a resistor which is:

Matric Part 2/10th Class English Chapter 1 MCQ Test With Answer for Chapter 1 Hazrat Muhammad (S.A.W) an Embodiment of Justice

Biology Chapter 1 - Answers Mode

Biology Chapter 1 MCQ - PDF

Is this page helpful?