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

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

Question # 2

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

Question # 3

An important part of inkjet printer is:

Question # 4

As the current flow through the wire:

Question # 5

Most practical applications of electricity involve

Question # 6

Xerography means:

Question # 7

Electric field lines emerge from the charge in:

Question # 8

The fourth band is a:

Question # 9

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

Question # 10

As the current flows through the wire

Question # 11

The device which can convert heat energy into electrical energy is called:

Question # 12

In gases, the charge carriers are:

Question # 13

In case of metallic conductors, the charge carriers are

Question # 14

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

Question # 15

Most practical application of electricity involve

Question # 16

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

Question # 17

Electrostatics is the branch of physics which deals with the study of electro charges:

Question # 18

Magnetic effect of current is used:

Question # 19

In gases, the charge carries are:

Question # 20

In a metal, the valence electrons are:

Question # 21

The inkjet printer ejects a thin stream of:

Question # 22

An ideal voltmeter has:

Question # 23

In a metal, the valence electrons are:

Question # 24

The flux through a closed surface depends upon:

Question # 25

An electric field is generated along the wire when:

Question # 26

The free electrons in metals:

Question # 27

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

Question # 28

An eV is unit of:

Question # 29

An important part of photocopier is:

Question # 30

Aluminum is a:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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)
2 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
3 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
4

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)
5 The inkjet printer ejects a thin stream of:
A.

Water

B.

Oil

C.

Ink

D.

Any of above
6 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
7 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
8 Tick the correct statement:
A.

Both the potential and potential difference is scalars

B.

Potential is a scalar but potential difference is a vector

C. Both are vectors

D.

Potential is vector but potential difference is scalar
9 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
10 As the current flows through the wire
A. It generates heat in the wire
B. It produces sound in the wire
C. Resistance of the wire decrease
D. Voltage across the ends is the increase

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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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