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

An electric field is generated along the wire when:

Question # 2

Selenium is:

Question # 3

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

Question # 4

Electrolysis is the study of conduction of electricity through:

Question # 5

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

Question # 6

An eV is unit of:

Question # 7

The current that flows through the coil of a motor causes

Question # 8

Kirchhoff's first rule is also called:

Question # 9

The flux through a closed surface depends upon:

Question # 10

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

Question # 11

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

Question # 12

The number of field lines passing through unit area held perpendicular to the field lines represent:

Question # 13

Static electricity is produced by the transfer of:

Question # 14

Another mean of electric potential energy per unit charge is given by:

Question # 15

An inkjet printer uses in its operation:

Question # 16

As the current flow through the wire:

Question # 17

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

Question # 18

Which instrument is expensive and difficult to use?

Question # 19

Electric flux is:

Question # 20

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

Question # 21

Magnetic effect of current is used:

Question # 22

Xerography means:

Question # 23

An important part of photocopier is:

Question # 24

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

Question # 25

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

Question # 26

Electric field lines emerge from the charge in:

Question # 27

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

Question # 28

The magnitude of chemical Effects depends upon:

Question # 29

The charge carriers in an electrolyte are

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

At rest

B.

At rest under the action of electric forces

C.

In motion under the action of electric forces

D.

In motion
2 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these
3

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge
4 The earth’s potential and potential at infinity are taken:
A.

Equal

B.

Zero

C.

First is greater than the second

D.

Second is greater than the first
5 The electric flux through any surface depends upon:
A.

Intensity of electric field

B.

Area of the surface

C.

Angle between intensity and area

D.

All of these
6 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)
7 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
8 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)
9 Which of the following substances has got positive temperature coefficient of resistance?
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
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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