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

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

Question # 2

The term drift velocity is used when the ends of a wire are:

Question # 3

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

Question # 4

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

Question # 5

The electric flux through any surface depends upon:

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

The charge carriers in an electrolyte are

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

Aluminum is a:

Question # 14

The strength of magnetic field at certain points around a wire depends upon:

Question # 15

The emf is measured in:

Question # 16

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

Question # 17

The value of resistivity is the least for:

Question # 18

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

Question # 19

The magnitude of chemical Effects depends upon:

Question # 20

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

Question # 21

In gases, the charge carries are:

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

In gases, the charge carriers are:

Question # 26

Static electricity is produced by the transfer of:

Question # 27

An important part of photocopier is:

Question # 28

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

Question # 29

In case of metallic conductors, the charge carriers are

Question # 30

In case of metallic conductors, the charge carriers are

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 An electric field is generated along the wire when:
A.

Its resistance is very high

B.

A constant potential is maintained across the wire

C.

Net current through the wire is zero

D.

A constant potential difference is maintained across the wire
2 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
3 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
4 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
5 SI unit of current describes the flow of charge at the rate of
A. One ampere per second
B. One coulomb per second
C. One electron per second
D. 6.25 x 1018electrons per second
6 The inkjet printer ejects a thin stream of:
A.

Water

B.

Oil

C.

Ink

D.

Any of above
7

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

Zero

B.

Much larger

C.

Larger

D.

Smaller
8

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)
9

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:
A.

Circle

B.

Rectangle

C.

Sphere

D.

Box
10 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current

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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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