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

00:00
Question # 1

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

Question # 2

A thermistor is a resistor which is:

Question # 3

The magnitude of chemical Effects depends upon:

Question # 4

An electric field is generated along the wire when:

Question # 5

An important part of inkjet printer is:

Question # 6

An ideal voltmeter has:

Question # 7

The free electrons in metals:

Question # 8

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

Question # 9

In a metal, the valence electrons are:

Question # 10

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

Question # 11

Which instrument is expensive and difficult to use?

Question # 12

The surface destiny of charge is defined is:

Question # 13

Most practical application of electricity involve

Question # 14

Static electricity is produced by the transfer of:

Question # 15

An inkjet printer uses in its operation:

Question # 16

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

Question # 17

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

Question # 18

Tick the correct statement:

Question # 19

In a metal, the valence electrons are:

Question # 20

An important part of photocopier is:

Question # 21

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

Question # 22

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

Question # 23

Gaussian surface is always:

Question # 24

Certain charge +q is placed at the center of a sphere. At each of the sphere,The directions of electric intensity and vector area are:

Question # 25

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

Question # 26

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

Question # 27

The best conductor is:

Question # 28

Most practical applications of electricity involve

Question # 29

The charge carries in the electrolyte are:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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)
2 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
3 The passage of current is accompanied by a magnetic field in the surrounding space:
A.

Always accompanied

B.

Sometimes accompanied

C.

Never accompanied

D. Any of above
4 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
5 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
6

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

Both the conductors are at the same potential

B.

Potential difference across the conductors remain constant

C.

Potential difference across the conductors becomes zero

D.

Both (A) and (B)
7 When certain area A is held parallel to the field lines, then:
A.

No lines cross this area

B.

Maximum lines pass through this area

C.

The number of lines are between zero and maximum

D.

Both (A) and (B) correct
8 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
9

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 shafts to rotate
10

The magnitude of chemical Effects depends upon:
A.

Nature of liquid

B.

Quantity of Electricity passed through the liquid

C.

Color of the liquid

D.

Both (A) and (C)

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