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

Magnetic effect of current is used:

Question # 2

Electrolysis is the study of conduction of electricity through:

Question # 3

The flux through a closed surface depends upon:

Question # 4

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

Question # 5

Most practical applications of electricity involve

Question # 6

An important part of inkjet printer is:

Question # 7

The fourth band is a:

Question # 8

An important part of photocopier is:

Question # 9

A field free region is found:

Question # 10

As the current flows through the wire

Question # 11

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

Question # 12

The charge carries in the electrolyte are:

Question # 13

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

Question # 14

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

Question # 15

The charge carriers in an electrolyte are

Question # 16

Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:

Question # 17

In gases, the charge carries are:

Question # 18

A rheostat can e used:

Question # 19

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

Question # 20

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

Question # 21

Gaussian surface is always:

Question # 22

In case of metallic conductors, the charge carriers are

Question # 23

The best conductor is:

Question # 24

In a metal, the valence electrons are:

Question # 25

The emf is measured in:

Question # 26

Tick the correct statement:

Question # 27

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

Question # 28

As the current flow through the wire:

Question # 29

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

Question # 30

The free electrons in metals:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
2 When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:
A.

Decreases

B.

Increases

C.

Remains the constant

D.

Either of these
3

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

Zero

B.

Much larger

C.

Larger

D.

Smaller
4

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

One coulomb

B.

0.5 coulomb

C.

30 coulomb

D.

2 coulombs
5

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

Straight lines

B.

Sine curves

C.

Curved

D.

Both (A) and (B)
6 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
7

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity
8 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
9 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)
10 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C

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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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