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

  • Total Questions30

  • Time Allowed30

Physics ECAT Pre Engineering Chapter 13 Current Electricity

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Question # 1

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

Question # 2

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

Question # 3

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

Question # 4

The fourth band is a:

Question # 5

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

Question # 6

The flux through a closed surface depends upon:

Question # 7

The inkjet printer ejects a thin stream of:

Question # 8

Xerography means:

Question # 9

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

Question # 10

In gases, the charge carriers are:

Question # 11

In case of metallic conductors, the change carries are:

Question # 12

Selenium is:

Question # 13

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 # 14

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

Question # 15

Thermistors are prepared under

Question # 16

A thermistor is a resistor which is:

Question # 17

Aluminum is a:

Question # 18

In gases, the charge carries are:

Question # 19

The charge carriers in an electrolyte are

Question # 20

As the current flow through the wire:

Question # 21

Electrolysis is the study of conduction of electricity through:

Question # 22

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

Question # 23

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

Question # 24

An eV is unit of:

Question # 25

The value of resistivity is the least for:

Question # 26

A rheostat can e used:

Question # 27

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

Question # 28

An important part of inkjet printer is:

Question # 29

Most practical application of electricity involve

Question # 30

As the current flows through the wire

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
2 In a metal, the valence electrons are:
A.

Attach to individual atoms

B.

Not attached to individual atoms

C.

Free to move within the metal

D.

Both (A) and (C)

3 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor

4 The conventional current is the name given to current due to flow of:
A. Positrons
B.

Positive charges

C.

Negative charges

D.

Both (A) and (C)

5 Which of the following substances has got positive temperature coefficient of resistance?
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
6 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these
7 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum

8 The conventional current is the name given to current due to flow of
A. Positrons
B. Positive charges
C. Negative charges
D. Both A and C
9 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
10

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

Test Questions

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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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