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

An inkjet printer uses in its operation:

Question # 2

An ideal voltmeter has:

Question # 3

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

Question # 4

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

Question # 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:

Question # 6

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

Question # 7

The charge carriers in an electrolyte are

Question # 8

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

Question # 9

An important part of inkjet printer is:

Question # 10

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

Question # 11

The obvious effect/s of current is/are:

Question # 12

Heating effect of current utilized in:

Question # 13

The number of field lines passing through unit area held perpendicular to the field lines represent:

Question # 14

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

Question # 15

The flux through a closed surface depends upon:

Question # 16

The fourth band is a:

Question # 17

Kirchhoff's first rule is also called:

Question # 18

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

Question # 19

An important part of photocopier is:

Question # 20

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 # 21

In a metal, the valence electrons are:

Question # 22

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

Question # 23

The quantity having the same unit as that of emf is:

Question # 24

A field free region is found:

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

Electric field lines emerge from the charge in:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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
2

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple
3 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
4 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
5

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

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
6 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
7 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
8

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

Be zero

B.

Be maintained constant

C.

Goes on increasing

D.

Go on decreasing
9 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
10 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent

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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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