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

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

Question # 3

In gases, the charge carries are:

Question # 4

In case of metallic conductors, the charge carriers are

Question # 5

Two dissimilar metals joined at their ends kept at constant temperature constitute:

Question # 6

The current that flows through the coil of a motor causes

Question # 7

In case of metallic conductors, the charge carriers are

Question # 8

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

Question # 9

The third band of the colour code:

Question # 10

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

Question # 11

An important part of inkjet printer is:

Question # 12

An eV is unit of:

Question # 13

The flux through a closed surface depends upon:

Question # 14

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

Question # 15

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 # 16

An ideal voltmeter has:

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

A thermistor is a resistor which is:

Question # 24

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

Question # 25

Gaussian surface is always:

Question # 26

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

Question # 27

As the current flow through the wire:

Question # 28

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

Question # 29

Which instrument is expensive and difficult to use?

Question # 30

The emf is measured in:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 A field free region is found:
A.

Near the outer surface of a hollow charged metal sphere

B.

In the interior of solid metal uncharged sphere

C.

In the interior of solid metal charged sphere

D.

Both (A) and (B)
2 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion
3

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

Zero

B.

Much larger

C.

Larger

D.

Smaller
4 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
5 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
6

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge
7 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these
8

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
9 The flux through a closed surface depends upon:
A.

Shape of geometry of the closed surface

B.

Charge enclosed

C.

Nature of the medium

D.

Both (A) and (B)
10 The interior of a hollow charged metal sphere is a region which:
A.

Contain some magnitude of electric field

B.

Is full of electric field lines

C.

Is field-free region

D.

Either (A) or (B)

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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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