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

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 # 2

In case of metallic conductors, the charge carriers are

Question # 3

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

Question # 4

The current that flows through the coil of a motor causes

Question # 5

Tick the correct statement:

Question # 6

The third band of the colour code:

Question # 7

In gases, the charge carries are:

Question # 8

Heating effect of current utilized in:

Question # 9

The obvious effect/s of current is/are:

Question # 10

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

Question # 11

A rheostat can e used:

Question # 12

The free electrons in metals:

Question # 13

The magnitude of chemical Effects depends upon:

Question # 14

Static electricity is produced by the transfer of:

Question # 15

The term drift velocity is used when the ends of a wire are:

Question # 16

In case of metallic conductors, the charge carriers are

Question # 17

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

Question # 18

The charge carriers in an electrolyte are

Question # 19

An important part of photocopier is:

Question # 20

As the current flows through the wire

Question # 21

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

Question # 22

The value of relative permittivity of different dielectrics are:

Question # 23

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 # 24

As the current flow through the wire:

Question # 25

In case of metallic conductors, the change carries are:

Question # 26

An important part of inkjet printer is:

Question # 27

A field free region is found:

Question # 28

The fourth band is a:

Question # 29

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

Question # 30

Thermistors are prepared under

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
3 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
4

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
5 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
6

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
7 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C
8 The current that flows through the coil of a motor causes
A. Its shaft to revolve
B. Its brushes to rotate
C. Motor to move
D. Its shaft to rotate
9 As the current flow through the wire:
A.

It generates heat in the wire

B.

It produces sound in the wire

C.

Resistance of the wire decreases

D.

Voltage across the ends is increased
10 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)

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