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 flows through the wire

Question # 2

When two spherical conducting balls at different potentials are joined by metallic wire, the current starts:

Question # 3

An eV is unit of:

Question # 4

An electric field is generated along the wire when:

Question # 5

When two spherical conducting balls at different potentials are joined by a metallic wire, after some time:

Question # 6

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

Question # 7

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

Question # 8

Aluminum is a:

Question # 9

An ideal voltmeter has:

Question # 10

The charge carriers in an electrolyte are

Question # 11

The free electrons in metals:

Question # 12

The third band of the colour code:

Question # 13

The inkjet printer ejects a thin stream of:

Question # 14

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

Question # 15

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

Question # 16

A rheostat can e used:

Question # 17

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

Question # 18

The best conductor is:

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

In a metal, the valence electrons are:

Question # 23

Static electricity is produced by the transfer of:

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

The emf is measured in:

Question # 28

The magnitude of chemical Effects depends upon:

Question # 29

Gaussian surface is always:

Question # 30

In a metal, the valence electrons are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 In a metal, the valence electrons are:
A. Attached to individual atoms
B. Not attached to individual atoms
C. Free to move within the metal
D. Both A and B
2 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion
3 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
4 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
5

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
6 Which of the following substances has got positive temperature coefficient of resistance?
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
7 Thermistors are prepared under
A. High pressure and low temperature
B. High pressure and high temperature
C. Low pressure and low temperature
D. Low pressure and high temprature
8

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

Primary cell

B.

Secondary cell

C.

Both (A) and (B)

D.

Photovoltaic cell
9 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
10 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten

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