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

As the current flows through the wire

Question # 2

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

Question # 3

The fourth band is a:

Question # 4

A field free region is found:

Question # 5

The electric flux through any surface depends upon:

Question # 6

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

Question # 7

Thermistors are prepared under

Question # 8

A thermistor is a resistor which is:

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

A rheostat can e used:

Question # 13

Aluminum is a:

Question # 14

The current that flows through the coil of a motor causes

Question # 15

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

Question # 16

An important part of photocopier is:

Question # 17

In gases, the charge carries are:

Question # 18

The value of resistivity is the least for:

Question # 19

When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

Heating effect of current utilized in:

Question # 24

Most practical application of electricity involve

Question # 25

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

Question # 26

Electric field lines emerge from the charge in:

Question # 27

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

Question # 28

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

Question # 29

The charge carries in the electrolyte are:

Question # 30

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

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ECAT Class 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

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

Decreasing from zero to maximum

B.

Increasing from zero to maximum

C.

Decreasing from maximum to zero

D.

Increasing from maximum to zero
3 Which instrument is expensive and difficult to use?
A. Voltmeter
B. Potentiometer
C. CRO
D. Both A and C
4 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
5 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten
6 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
7 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
8 The conventional current is the name given to current due to flow of
A. Positrons
B. Positive charges
C. Negative charges
D. Both A and C
9 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
10

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity

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