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

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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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 # 6

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

Question # 7

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

Question # 8

As the current flows through the wire

Question # 9

In a metal, the valence electrons are:

Question # 10

Electrolysis is the study of conduction of electricity through:

Question # 11

The charge carries in the electrolyte are:

Question # 12

Gaussian surface is always:

Question # 13

The magnitude of chemical Effects depends upon:

Question # 14

The value of relative permittivity of different dielectrics are:

Question # 15

A rheostat can e used:

Question # 16

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

Question # 17

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:

Question # 18

In gases, the charge carriers are:

Question # 19

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

Question # 20

The strength of magnetic field at certain points around a wire depends upon:

Question # 21

In gases, the charge carries are:

Question # 22

The inkjet printer ejects a thin stream of:

Question # 23

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

Question # 24

A field free region is found:

Question # 25

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

Question # 26

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

Question # 27

The electric flux through any surface depends upon:

Question # 28

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

Question # 29

The surface destiny of charge is defined is:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum
2 Which of the following substances has got positive temperature coefficient of resistance?
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
3 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
4 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
5

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
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 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)
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 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
10

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

At rest

B.

At rest under the action of electric forces

C.

In motion under the action of electric forces

D.

In motion

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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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