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

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

Question # 2

As the current flows through the wire

Question # 3

A thermistor is a resistor which is:

Question # 4

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

Question # 5

As the current flow through the wire:

Question # 6

The best conductor is:

Question # 7

When two spherical conducting balls at different potentials are joined by metallic wire, the current starts:

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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 # 12

Heating effect of current utilized in:

Question # 13

An electric field is generated along the wire when:

Question # 14

The inkjet printer ejects a thin stream of:

Question # 15

In a metal, the valence electrons are:

Question # 16

Xerography means:

Question # 17

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

Question # 18

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

Question # 19

Kirchhoff's first rule is also called:

Question # 20

The third band of the colour code:

Question # 21

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

Question # 22

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

Question # 23

The conventional current is the name given to current due to flow of

Question # 24

Thermistors are prepared under

Question # 25

Electrolysis is the study of conduction of electricity through:

Question # 26

A field free region is found:

Question # 27

Electric field lines emerge from the charge in:

Question # 28

Electric flux is:

Question # 29

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

Question # 30

The obvious effect/s of current is/are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
2 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
3

The charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

D.

Both (A) and (B)
4 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion
5 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
6 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
7

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
8

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)
9 Selenium is:
A.

An insulator

B.

A conductor

C.

Insulator in the dark and becomes conductor when exposed to light

D.

Conductor in the dark only
10

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle

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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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