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 positive charge moving in one direction is equivalent in all external affects to a:

Question # 2

The inkjet printer ejects a thin stream of:

Question # 3

The obvious effect/s of current is/are:

Question # 4

Thermistors are prepared under

Question # 5

Aluminum is a:

Question # 6

Most practical application of electricity involve

Question # 7

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

Question # 8

A rheostat can e used:

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

Kirchhoff's first rule is also called:

Question # 13

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

Question # 14

An inkjet printer uses in its operation:

Question # 15

The current that flows through the coil of a motor causes

Question # 16

A thermistor is a resistor which is:

Question # 17

SI unit of current describes the flow of charge at the rate of

Question # 18

An ideal voltmeter has:

Question # 19

The best conductor is:

Question # 20

An important part of inkjet printer is:

Question # 21

The magnitude of chemical Effects depends upon:

Question # 22

The fourth band is a:

Question # 23

The free electrons in metals:

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

As the current flow through the wire:

Question # 28

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

Question # 29

In gases, the charge carriers are:

Question # 30

The value of resistivity is the least for:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 A field free region is found:
A.

Near the outer surface of a hollow charged metal sphere

B.

In the interior of solid metal uncharged sphere

C.

In the interior of solid metal charged sphere

D.

Both (A) and (B)
2

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

No lines cross this area

B.

Maximum lines pass through this area

C.

The number of lines are between zero and maximum

D.

Both (A) and (B) correct
5

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 shafts to rotate
6 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
7 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
8 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
9 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
10 As the current flows through the wire
A. It generates heat in the wire
B. It produces sound in the wire
C. Resistance of the wire decrease
D. Voltage across the ends is the increase

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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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