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

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

Question # 2

Which instrument is expensive and difficult to use?

Question # 3

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

Question # 4

Tick the correct statement:

Question # 5

In case of metallic conductors, the change carries are:

Question # 6

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

Question # 7

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

Question # 8

An inkjet printer uses in its operation:

Question # 9

In a metal, the valence electrons are:

Question # 10

The fourth band is a:

Question # 11

An electric field is generated along the wire when:

Question # 12

The charge carriers in an electrolyte are

Question # 13

The surface destiny of charge is defined is:

Question # 14

Most practical application of electricity involve

Question # 15

Xerography means:

Question # 16

As the current flow through the wire:

Question # 17

An ideal voltmeter has:

Question # 18

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

Question # 19

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 # 20

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

Question # 21

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

Question # 22

Static electricity is produced by the transfer of:

Question # 23

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

Question # 24

The free electrons in metals:

Question # 25

The current that flows through the coil of a motor causes

Question # 26

In gases, the charge carriers are:

Question # 27

Thermistors are prepared under

Question # 28

Magnetic effect of current is used:

Question # 29

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

Question # 30

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:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
2

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
3 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
4 Which of the following substances has got positive temperature coefficient of resistance?
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
5 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
6

The charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

D.

Both (A) and (B)
7 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
8 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
9 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
10 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these

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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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