ECAT Pre General Science Physics Chapter 13 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

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ECAT Pre General Science Physics Chapter 13 Current Electricity

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Question # 1

The inkjet printer ejects a thin stream of:

Question # 2

The charge carries in the electrolyte are:

Question # 3

An inkjet printer uses in its operation:

Question # 4

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 # 5

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

Question # 6

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

Question # 7

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

Question # 8

The free electrons in metals:

Question # 9

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

Question # 10

Xerography means:

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

Electrolysis is the study of conduction of electricity through:

Question # 15

An ideal voltmeter has:

Question # 16

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

Question # 17

The emf is measured in:

Question # 18

In gases, the charge carriers are:

Question # 19

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

Question # 20

A rheostat can e used:

Question # 21

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

Question # 22

The value of resistivity is the least for:

Question # 23

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

Question # 24

In a metal, the valence electrons are:

Question # 25

Kirchhoff's first rule is also called:

Question # 26

The third band of the colour code:

Question # 27

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

Question # 28

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

Question # 29

The flux through a closed surface depends upon:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
2 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
3 A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s
A. One coulomb
B. 0.5 coulomb
C. 30 coulombs
D. 2 coulombs
4 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
5 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C
6 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
7 In a metal, the valence electrons are:
A.

Attach to individual atoms

B.

Not attached to individual atoms

C.

Free to move within the metal

D.

Both (A) and (C)
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 example/s of non-electrical energy to electrical is/are:
A.

Chemical energy

B.

Mechanical energy

C.

Heat energy

D.

Both (A) and (B)
10 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

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