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

Selenium is:

Question # 2

Gaussian surface is always:

Question # 3

Another mean of electric potential energy per unit charge is given by:

Question # 4

Most practical application of electricity involve

Question # 5

Kirchhoff's first rule is also called:

Question # 6

As the current flow through the wire:

Question # 7

Electrostatics is the branch of physics which deals with the study of electro charges:

Question # 8

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

Question # 9

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

Question # 10

An electric field is generated along the wire when:

Question # 11

Electric flux is:

Question # 12

The obvious effect/s of current is/are:

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

Electrolysis is the study of conduction of electricity through:

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

An inkjet printer uses in its operation:

Question # 22

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

Question # 23

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

Question # 24

An ideal voltmeter has:

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

Thermistors are prepared under

Question # 27

Magnetic effect of current is used:

Question # 28

Static electricity is produced by the transfer of:

Question # 29

Which instrument is expensive and difficult to use?

Question # 30

The magnitude of chemical Effects depends upon:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s
A. One coulomb
B. 0.5 coulomb
C. 30 coulombs
D. 2 coulombs
2 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
3 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
4 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
5 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
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

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
8

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

Be zero

B.

Be maintained constant

C.

Goes on increasing

D.

Go on decreasing
9 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten
10

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge

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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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