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

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

Question # 2

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

Question # 3

In a metal, the valence electrons are:

Question # 4

Gaussian surface is always:

Question # 5

A rheostat can e used:

Question # 6

The electric flux through any surface depends upon:

Question # 7

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

Question # 8

The inkjet printer ejects a thin stream of:

Question # 9

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

Question # 10

The emf is measured in:

Question # 11

Static electricity is produced by the transfer of:

Question # 12

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

Question # 13

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

Question # 14

In gases, the charge carries are:

Question # 15

Electric flux is:

Question # 16

In case of metallic conductors, the change carries are:

Question # 17

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

Question # 18

The current that flows through the coil of a motor causes

Question # 19

The best conductor is:

Question # 20

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

Question # 21

Tick the correct statement:

Question # 22

Conversion of chemical energy to electrical energy can be achieved by:

Question # 23

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 # 24

The charge carries in the electrolyte are:

Question # 25

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

Question # 26

Xerography means:

Question # 27

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

Question # 28

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

Question # 29

Which instrument is expensive and difficult to use?

Question # 30

In a metal, the valence electrons are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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)
2 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
3 The earth’s potential and potential at infinity are taken:
A.

Equal

B.

Zero

C.

First is greater than the second

D.

Second is greater than the first
4 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
5

The magnitude of chemical Effects depends upon:
A.

Nature of liquid

B.

Quantity of Electricity passed through the liquid

C.

Color of the liquid

D.

Both (A) and (C)
6 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
7 As the current flow through the wire:
A.

It generates heat in the wire

B.

It produces sound in the wire

C.

Resistance of the wire decreases

D.

Voltage across the ends is increased
8 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
9 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
10 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule

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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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