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

Gaussian surface is always:

Question # 2

Electrolysis is the study of conduction of electricity through:

Question # 3

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

Question # 4

Which instrument is expensive and difficult to use?

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

In a metal, the valence electrons are:

Question # 10

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

Question # 11

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

Question # 12

A field free region is found:

Question # 13

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

Question # 14

The charge carriers in an electrolyte are

Question # 15

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

Question # 16

Electric field lines emerge from the charge in:

Question # 17

Static electricity is produced by the transfer of:

Question # 18

The obvious effect/s of current is/are:

Question # 19

The emf is measured in:

Question # 20

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

Question # 21

In gases, the charge carries are:

Question # 22

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 # 23

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

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

The surface destiny of charge is defined is:

Question # 28

In case of metallic conductors, the charge carriers are

Question # 29

An ideal voltmeter has:

Question # 30

Thermistors are prepared under

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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
2 A field free region is found:
A.

Near the outer surface of a hollow charged metal sphere

B.

In the interior of solid metal uncharged sphere

C.

In the interior of solid metal charged sphere

D.

Both (A) and (B)
3 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
4 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum
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:
A.

Same

B.

Different

C.

Opposite to each other

D.

At 60º with each other
6 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C
7

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

Both the conductors are at the same potential

B.

Potential difference across the conductors remain constant

C.

Potential difference across the conductors becomes zero

D.

Both (A) and (B)
8 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these
9

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)
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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