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

Aluminum is a:

Question # 2

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

Question # 3

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

Question # 4

In gases, the charge carriers are:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Most practical application of electricity involve

Question # 9

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

Question # 10

Xerography means:

Question # 11

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

Question # 12

In case of metallic conductors, the charge carriers are

Question # 13

The charge carries in the electrolyte are:

Question # 14

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

Question # 15

As the current flows through the wire

Question # 16

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

Question # 17

The free electrons in metals:

Question # 18

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 # 19

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

Question # 20

Tick the correct statement:

Question # 21

The current that flows through the coil of a motor causes

Question # 22

Thermistors are prepared under

Question # 23

In case of metallic conductors, the change carries are:

Question # 24

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

Question # 25

The emf is measured in:

Question # 26

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

Question # 27

Heating effect of current utilized in:

Question # 28

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

Question # 29

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

Question # 30

The obvious effect/s of current is/are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The inkjet printer ejects a thin stream of:
A.

Water

B.

Oil

C.

Ink

D.

Any of above
2 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
3

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
4 The free electrons in metals:
A.

Are in random motion and their speed depends upon temperature

B.

Move in particular direction

C.

Move with speed of light

D.

Move such that their speed does not depend on their temperature
5 If the ends of a wire are connected to a battery an electric field E will be set up at:
A.

The ends of the wire only

B.

Mid points of the wire only

C.

Every point within the wire

D.

At nodes only
6

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)
7

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
8 The value of relative permittivity of different dielectrics are:
A.

Equal

B.

Different

C.

Greater than one

D.

Smaller than one
9 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
10 SI unit of current describes the flow of charge at the rate of
A. One ampere per second
B. One coulomb per second
C. One electron per second
D. 6.25 x 1018electrons per second

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