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

An inkjet printer uses in its operation:

Question # 2

The emf is measured in:

Question # 3

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

Question # 4

Tick the correct statement:

Question # 5

The free electrons in metals:

Question # 6

An example of photoconductor is:

Question # 7

The inkjet printer ejects a thin stream of:

Question # 8

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

Question # 9

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

Question # 10

A field free region is found:

Question # 11

The surface destiny of charge is defined is:

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

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

Question # 14

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

Question # 15

The charge carries in the electrolyte are:

Question # 16

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

Question # 17

Heating effect of current utilized in:

Question # 18

Gaussian surface is always:

Question # 19

The best conductor is:

Question # 20

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

Question # 21

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

Question # 22

In a metal, the valence electrons are:

Question # 23

An important part of photocopier is:

Question # 24

A thermistor is a resistor which is:

Question # 25

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

Question # 26

The fourth band is a:

Question # 27

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

Question # 28

Thermistors are prepared under

Question # 29

The electric flux through any surface depends upon:

Question # 30

An eV is unit of:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
2

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

One coulomb

B.

0.5 coulomb

C.

30 coulomb

D.

2 coulombs
3 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these
4 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
5 Which instrument is expensive and difficult to use?
A. Voltmeter
B. Potentiometer
C. CRO
D. Both A and C
6 As the current flows through the wire
A. It generates heat in the wire
B. It produces sound in the wire
C. Resistance of the wire decrease
D. Voltage across the ends is the increase
7 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum
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

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge
10

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

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer

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