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

Heating effect of current utilized in:

Question # 2

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 # 3

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

Question # 4

The best conductor is:

Question # 5

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

Question # 6

The surface destiny of charge is defined is:

Question # 7

An example of photoconductor is:

Question # 8

Static electricity is produced by the transfer of:

Question # 9

The flux through a closed surface depends upon:

Question # 10

The inkjet printer ejects a thin stream of:

Question # 11

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

Question # 12

In a metal, the valence electrons are:

Question # 13

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

Question # 14

The charge carriers in an electrolyte are

Question # 15

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

Question # 16

An eV is unit of:

Question # 17

An important part of inkjet printer is:

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

An electric field is generated along the wire when:

Question # 23

Magnetic effect of current is used:

Question # 24

In case of metallic conductors, the charge carriers are

Question # 25

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

Question # 26

Aluminum is a:

Question # 27

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

Question # 28

An ideal voltmeter has:

Question # 29

Most practical application of electricity involve

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

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

Equal

B.

Different

C.

Greater than one

D.

Smaller than one
2

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

Chemical energy

B.

Mechanical energy

C.

Heat energy

D.

Both (A) and (B)
3

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 shafts to rotate
4 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
5 An eV is unit of:
A.

Potential

B.

Energy

C.

Work

D.

Power
6 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion
7

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
8 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)
9 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
10 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area

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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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