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

As the current flow through the wire:

Question # 2

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

Question # 3

A field free region is found:

Question # 4

An eV is unit of:

Question # 5

The best conductor is:

Question # 6

Xerography means:

Question # 7

Field lines are closer to each other in the region where the field is:

Question # 8

An inkjet printer uses in its operation:

Question # 9

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

Question # 10

In case of metallic conductors, the change carries are:

Question # 11

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

Question # 12

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 # 13

An important part of inkjet printer is:

Question # 14

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

Question # 15

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

Question # 16

The emf is measured in:

Question # 17

Tick the correct statement:

Question # 18

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

Question # 19

The value of resistivity is the least for:

Question # 20

Electric field lines emerge from the charge in:

Question # 21

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

Question # 22

Aluminum is a:

Question # 23

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

Question # 24

The flux through a closed surface depends upon:

Question # 25

The obvious effect/s of current is/are:

Question # 26

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

Question # 27

In gases, the charge carriers are:

Question # 28

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

Question # 29

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

Question # 30

The fourth band is a:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The free electrons in metals:
A.

Are in random motion and their speed depends upon temperature

B.

Move in particular direction

C.

Move with speed of light

D.

Move such that their speed does not depend on their temperature
2 As the current flow through the wire:
A.

It generates heat in the wire

B.

It produces sound in the wire

C.

Resistance of the wire decreases

D.

Voltage across the ends is increased
3 The inkjet printer ejects a thin stream of:
A.

Water

B.

Oil

C.

Ink

D.

Any of above
4 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these
5 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
6 If the ends of a wire are connected to a battery an electric field E will be set up at:
A.

The ends of the wire only

B.

Mid points of the wire only

C.

Every point within the wire

D.

At nodes only
7 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
8 The current that flows through the coil of a motor causes
A. Its shaft to revolve
B. Its brushes to rotate
C. Motor to move
D. Its shaft to rotate
9 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)
10 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion

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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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