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

The earth’s potential and potential at infinity are taken:

Question # 2

An important part of inkjet printer is:

Question # 3

In a metal, the valence electrons are:

Question # 4

An important part of photocopier is:

Question # 5

Xerography means:

Question # 6

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 # 7

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

Question # 8

The value of relative permittivity of different dielectrics are:

Question # 9

Most practical application of electricity involve

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

A thermistor is a resistor which is:

Question # 14

The flux through a closed surface depends upon:

Question # 15

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

Question # 16

The fourth band is a:

Question # 17

Aluminum is a:

Question # 18

As the current flow through the wire:

Question # 19

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

Question # 20

The inkjet printer ejects a thin stream of:

Question # 21

Which instrument is expensive and difficult to use?

Question # 22

An ideal voltmeter has:

Question # 23

The emf is measured in:

Question # 24

Electric flux is:

Question # 25

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

Question # 26

The best conductor is:

Question # 27

In case of metallic conductors, the charge carriers are

Question # 28

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

Question # 29

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

Question # 30

The current that flows through the coil of a motor causes

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C
2 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
3

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
4 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
5 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
6

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

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
7

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

Primary cell

B.

Secondary cell

C.

Both (A) and (B)

D.

Photovoltaic cell
8

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)
9 Which of the following substances has got positive temperature coefficient of resistance?
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
10 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum

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