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

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Question # 1

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

Question # 2

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

Question # 3

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 # 4

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

Question # 5

The flux through a closed surface depends upon:

Question # 6

Magnetic effect of current is used:

Question # 7

The example/s of non-electrical energy to electrical is/are:

Question # 8

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

Question # 9

Aluminum is a:

Question # 10

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

Question # 11

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

Question # 12

The rate at which the free electrons pass through any section of a metallic wire from right to left is:

Question # 13

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

Question # 14

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

Question # 15

Gaussian surface is always:

Question # 16

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

Question # 17

In a metal, the valence electrons are:

Question # 18

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

Question # 19

The value of resistivity is the least for:

Question # 20

An electric field is generated along the wire when:

Question # 21

The value of relative permittivity of different dielectrics are:

Question # 22

The emf is measured in:

Question # 23

In gases, the charge carries are:

Question # 24

The third band of the colour code:

Question # 25

The fourth band is a:

Question # 26

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 # 27

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

Question # 28

Tick the correct statement:

Question # 29

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

Question # 30

A field free region is found:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
2 The earth’s potential and potential at infinity are taken:
A.

Equal

B.

Zero

C.

First is greater than the second

D.

Second is greater than the first
3 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
4 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
5 The term drift velocity is used when the ends of a wire are:
A.

Connected to a laser source

B.

Connected to a voltage source

C.

Not connected to a voltage source

D.

At different values of potential
6 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
7

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity
8 The electric flux through any surface depends upon:
A.

Intensity of electric field

B.

Area of the surface

C.

Angle between intensity and area

D.

All of these
9

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

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer
10 The flux through a closed surface depends upon:
A.

Shape of geometry of the closed surface

B.

Charge enclosed

C.

Nature of the medium

D.

Both (A) and (B)

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