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

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

Question # 2

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

Question # 3

Gaussian surface is always:

Question # 4

When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:

Question # 5

The quantity having the same unit as that of emf is:

Question # 6

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

Question # 7

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

Question # 8

Thermistors are prepared under

Question # 9

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

Question # 10

As the current flows through the wire

Question # 11

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

Question # 12

The emf is measured in:

Question # 13

The inkjet printer ejects a thin stream of:

Question # 14

An example of photoconductor is:

Question # 15

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

Question # 16

The current that flows through the coil of a motor causes

Question # 17

An inkjet printer uses in its operation:

Question # 18

Electric field lines emerge from the charge in:

Question # 19

Selenium is:

Question # 20

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

Question # 21

The magnitude of chemical Effects depends upon:

Question # 22

In a metal, the valence electrons are:

Question # 23

As the current flow through the wire:

Question # 24

The obvious effect/s of current is/are:

Question # 25

Most practical application of electricity involve

Question # 26

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

Question # 27

Kirchhoff's first rule is also called:

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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
2 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
3 In a metal, the valence electrons are:
A. Attached to individual atoms
B. Not attached to individual atoms
C. Free to move within the metal
D. Both A and B
4 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
5

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

Chemical energy

B.

Mechanical energy

C.

Heat energy

D.

Both (A) and (B)
6 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
7 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
8 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)
9 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
10 Which instrument is expensive and difficult to use?
A. Voltmeter
B. Potentiometer
C. CRO
D. Both A and C

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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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