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

In a metal, the valence electrons are:

Question # 2

In case of metallic conductors, the charge carriers are

Question # 3

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

Question # 4

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

Question # 5

While finding the electric intensity at a point between two oppositely charged parallel plates, the Gaussian surface is taken in the form of a hollow:

Question # 6

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

Question # 7

The current that flows through the coil of a motor causes

Question # 8

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

Question # 9

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

Question # 10

Electrolysis is the study of conduction of electricity through:

Question # 11

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

Question # 12

Electric flux is:

Question # 13

An eV is unit of:

Question # 14

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

Question # 15

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

Question # 16

The fourth band is a:

Question # 17

The effects of bends in a wire on its electrical resistance are:

Question # 18

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

Question # 19

The charge carries in the electrolyte are:

Question # 20

The number of field lines passing through unit area held perpendicular to the field lines represent:

Question # 21

Magnetic effect of current is used:

Question # 22

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

Question # 23

Gaussian surface is always:

Question # 24

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

Question # 25

The third band of the colour code:

Question # 26

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

Question # 27

The flux through a closed surface depends upon:

Question # 28

Thermistors are prepared under

Question # 29

In gases, the charge carries are:

Question # 30

Kirchhoff's first rule is also called:

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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

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
3 Thermistors are prepared under
A. High pressure and low temperature
B. High pressure and high temperature
C. Low pressure and low temperature
D. Low pressure and high temprature
4

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
5 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
6 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
7 The number of field lines passing through unit area held perpendicular to the field lines represent:
A.

Flux in that region

B.

Intensity of the field

C.

Charge

D.

Area of the region
8 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C
9 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
10

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

One coulomb

B.

0.5 coulomb

C.

30 coulomb

D.

2 coulombs

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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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