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 flow through the wire:

Question # 2

Electric flux is:

Question # 3

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

Question # 4

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

Question # 5

The effects of bends in a wire on its electrical resistance are:

Question # 6

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

Question # 7

A rheostat can e used:

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

Gaussian surface is always:

Question # 12

Electric field lines emerge from the charge in:

Question # 13

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

Question # 14

The emf is measured in:

Question # 15

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

Question # 16

The obvious effect/s of current is/are:

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

The magnitude of chemical Effects depends upon:

Question # 21

Most practical applications of electricity involve

Question # 22

The fourth band is a:

Question # 23

Aluminum is a:

Question # 24

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

Question # 25

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

Question # 26

The third band of the colour code:

Question # 27

An inkjet printer uses in its operation:

Question # 28

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

Question # 29

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

Question # 30

The charge carriers in an electrolyte are

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
2 Tick the correct statement:
A.

Both the potential and potential difference is scalars

B.

Potential is a scalar but potential difference is a vector

C. Both are vectors

D.

Potential is vector but potential difference is scalar
3 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
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

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)
6 The interior of a hollow charged metal sphere is a region which:
A.

Contain some magnitude of electric field

B.

Is full of electric field lines

C.

Is field-free region

D.

Either (A) or (B)
7 Selenium is:
A.

An insulator

B.

A conductor

C.

Insulator in the dark and becomes conductor when exposed to light

D.

Conductor in the dark only
8 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
9 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
10 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons

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