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

Question # 2

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

Question # 3

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

Question # 4

The current that flows through the coil of a motor causes

Question # 5

In case of metallic conductors, the charge carriers are

Question # 6

The free electrons in metals:

Question # 7

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

Question # 8

The surface destiny of charge is defined is:

Question # 9

In a metal, the valence electrons are:

Question # 10

Thermistors are prepared under

Question # 11

An electric field is generated along the wire when:

Question # 12

The emf is measured in:

Question # 13

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

Question # 14

The charge carries in the electrolyte are:

Question # 15

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

Question # 16

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

Question # 17

Electric flux is:

Question # 18

Static electricity is produced by the transfer of:

Question # 19

An ideal voltmeter has:

Question # 20

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 # 21

The fourth band is a:

Question # 22

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

Question # 23

Tick the correct statement:

Question # 24

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

Question # 25

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

Question # 26

Aluminum is a:

Question # 27

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

Question # 28

A thermistor is a resistor which is:

Question # 29

The third band of the colour code:

Question # 30

Gaussian surface is always:

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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 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
3 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
4

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

Decreasing from zero to maximum

B.

Increasing from zero to maximum

C.

Decreasing from maximum to zero

D.

Increasing from maximum to zero
5 When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:
A.

Decreases

B.

Increases

C.

Remains the constant

D.

Either of these
6 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion
7

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
8 An eV is unit of:
A.

Potential

B.

Energy

C.

Work

D.

Power
9 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
10 The value of relative permittivity of different dielectrics are:
A.

Equal

B.

Different

C.

Greater than one

D.

Smaller than one

Test Questions

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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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