ECAT Pre General Science Physics Chapter 13 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

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ECAT Pre General Science Physics Chapter 13 Current Electricity

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Question # 1

The value of resistivity is the least for:

Question # 2

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

Question # 3

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

Question # 4

In a metal, the valence electrons are:

Question # 5

An electric field is generated along the wire when:

Question # 6

A rheostat can e used:

Question # 7

An example of photoconductor is:

Question # 8

In case of metallic conductors, the change carries are:

Question # 9

Selenium is:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

The inkjet printer ejects a thin stream of:

Question # 14

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

Question # 15

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 # 16

The magnitude of chemical Effects depends upon:

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

A thermistor is a resistor which is:

Question # 21

As the current flow through the wire:

Question # 22

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

Question # 23

An important part of photocopier is:

Question # 24

A field free region is found:

Question # 25

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

Question # 26

Electric field lines emerge from the charge in:

Question # 27

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

Question # 28

The flux through a closed surface depends upon:

Question # 29

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

Question # 30

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

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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 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
3 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
4 The strength of magnetic field at certain points around a wire depends upon:
A.

Value of current passing

B.

Distance from the current element

C.

Color of the material

D.

Both (A) and (B)
5 In a metal, the valence electrons are:
A.

Attach to individual atoms

B.

Not attached to individual atoms

C.

Free to move within the metal

D.

Both (A) and (C)
6

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
7 The value of relative permittivity of different dielectrics are:
A.

Equal

B.

Different

C.

Greater than one

D.

Smaller than one
8

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple
9 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
10 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles

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