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

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

Question # 2

Heating effect of current utilized in:

Question # 3

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

Question # 4

Most practical applications of electricity involve

Question # 5

In a metal, the valence electrons are:

Question # 6

The third band of the colour code:

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

Tick the correct statement:

Question # 11

Thermistors are prepared under

Question # 12

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

Question # 13

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 # 14

The value of resistivity is the least for:

Question # 15

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

Question # 16

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

Question # 17

Electrolysis is the study of conduction of electricity through:

Question # 18

The best conductor is:

Question # 19

Which instrument is expensive and difficult to use?

Question # 20

An electric field is generated along the wire when:

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

An inkjet printer uses in its operation:

Question # 25

As the current flows through the wire

Question # 26

An important part of photocopier is:

Question # 27

Kirchhoff's first rule is also called:

Question # 28

An example of photoconductor is:

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer
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 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
4

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity
5 The third band of the colour code:
A. Gives the number of zeroes
B. Is decimal multiplier
C. Gives the resistance tolerance
D. Gives the third digit
6 An eV is unit of:
A.

Potential

B.

Energy

C.

Work

D.

Power
7

In case of metallic conductors, the change carries are:
A.

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
8 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
9 The positive charge moving in one direction is equivalent in all external affects to a:
A.

Negative charge is moving in the same direction

B.

Positive charge is moving in the opposite direction

C.

Negative charge moving in the opposite direction

D.

Positive charges moving in the same direction
10 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing

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