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

Thermistors are prepared under

Question # 2

Magnetic effect of current is used:

Question # 3

The best conductor is:

Question # 4

An important part of inkjet printer is:

Question # 5

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

Question # 6

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

Question # 7

An example of photoconductor is:

Question # 8

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 # 9

Electric flux is:

Question # 10

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

Question # 11

An ideal voltmeter has:

Question # 12

As the current flows through the wire

Question # 13

A thermistor is a resistor which is:

Question # 14

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

Question # 15

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

Question # 16

In case of metallic conductors, the charge carriers are

Question # 17

Static electricity is produced by the transfer of:

Question # 18

The emf is measured in:

Question # 19

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

Question # 20

The charge carries in the electrolyte are:

Question # 21

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

Question # 22

In a metal, the valence electrons are:

Question # 23

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

Question # 24

The free electrons in metals:

Question # 25

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

Question # 26

Selenium is:

Question # 27

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

Question # 28

In case of metallic conductors, the change carries are:

Question # 29

The surface destiny of charge is defined is:

Question # 30

The third band of the colour code:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
2 The inkjet printer ejects a thin stream of:
A.

Water

B.

Oil

C.

Ink

D.

Any of above
3 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)
4 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these
5 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
6

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
7

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)
8 The electric flux through any surface depends upon:
A.

Intensity of electric field

B.

Area of the surface

C.

Angle between intensity and area

D.

All of these
9 The flux through a closed surface depends upon:
A.

Shape of geometry of the closed surface

B.

Charge enclosed

C.

Nature of the medium

D.

Both (A) and (B)
10 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

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  • Hamza

    Hamza

    17 Aug 2019

    It has many error

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  • Salmankhan

    Salmankhan

    02 Feb 2018

    Sir g plz correct this mcq the device which convert electrical into machinical is called moter but here the answer is generator

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