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

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

Question # 2

Electric field lines emerge from the charge in:

Question # 3

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

Question # 4

An electric field is generated along the wire when:

Question # 5

An example of photoconductor is:

Question # 6

The electric flux through any surface depends upon:

Question # 7

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

Question # 8

An eV is unit of:

Question # 9

An important part of photocopier is:

Question # 10

The magnitude of chemical Effects depends upon:

Question # 11

Gaussian surface is always:

Question # 12

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

Question # 13

The emf is measured in:

Question # 14

In gases, the charge carries are:

Question # 15

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

Question # 16

Static electricity is produced by the transfer of:

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

Thermistors are prepared under

Question # 21

A field free region is found:

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

An inkjet printer uses in its operation:

Question # 26

A rheostat can e used:

Question # 27

The obvious effect/s of current is/are:

Question # 28

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

Question # 29

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

Question # 30

An ideal voltmeter has:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
2 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
3

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)
4

The magnitude of chemical Effects depends upon:
A.

Nature of liquid

B.

Quantity of Electricity passed through the liquid

C.

Color of the liquid

D.

Both (A) and (C)
5 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
6 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
7 The positive charge moving in one direction is equivalent in all external affects to a:
A.

Negative charge is moving in the same direction

B.

Positive charge is moving in the opposite direction

C.

Negative charge moving in the opposite direction

D.

Positive charges moving in the same direction
8 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
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

The obvious effect/s of current is/are:
A.

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)

Test Questions