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

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

Question # 2

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

Question # 3

In case of metallic conductors, the charge carriers are

Question # 4

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

Question # 5

Most practical application of electricity involve

Question # 6

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

Question # 7

The obvious effect/s of current is/are:

Question # 8

An example of photoconductor is:

Question # 9

The value of resistivity is the least for:

Question # 10

Kirchhoff's first rule is also called:

Question # 11

The surface destiny of charge is defined is:

Question # 12

In gases, the charge carries are:

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

Which of the following substances has got positive temperature coefficient of resistance?

Question # 17

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 # 18

In a metal, the valence electrons are:

Question # 19

As the current flows through the wire

Question # 20

Thermistors are prepared under

Question # 21

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

Question # 22

When certain area A is held parallel to the field lines, then:

Question # 23

The emf is measured in:

Question # 24

In case of metallic conductors, the charge carriers are

Question # 25

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

Question # 26

The inkjet printer ejects a thin stream of:

Question # 27

Field lines are closer to each other in the region where the field is:

Question # 28

Tick the correct statement:

Question # 29

In a metal, the valence electrons are:

Question # 30

Electric flux is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
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

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

Zero

B.

Much larger

C.

Larger

D.

Smaller
4

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
5 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
6 The inkjet printer ejects a thin stream of:
A.

Water

B.

Oil

C.

Ink

D.

Any of above
7 When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:
A.

Decreases

B.

Increases

C.

Remains the constant

D.

Either of these
8 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
9 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
10

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

Both the conductors are at the same potential

B.

Potential difference across the conductors remain constant

C.

Potential difference across the conductors becomes zero

D.

Both (A) and (B)

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