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 fourth band is a:

Question # 2

An important part of photocopier is:

Question # 3

Selenium is:

Question # 4

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

Question # 5

In a metal, the valence electrons are:

Question # 6

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

Question # 7

Electrolysis is the study of conduction of electricity through:

Question # 8

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

Question # 9

The strength of magnetic field at certain points around a wire depends upon:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

Most practical applications of electricity involve

Question # 14

The magnitude of chemical Effects depends upon:

Question # 15

The surface destiny of charge is defined is:

Question # 16

The obvious effect/s of current is/are:

Question # 17

Static electricity is produced by the transfer of:

Question # 18

A field free region is found:

Question # 19

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

Question # 20

The current that flows through the coil of a motor causes

Question # 21

Electric field lines emerge from the charge in:

Question # 22

In gases, the charge carriers are:

Question # 23

Heating effect of current utilized in:

Question # 24

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

Question # 25

The inkjet printer ejects a thin stream of:

Question # 26

An important part of inkjet printer is:

Question # 27

Kirchhoff's first rule is also called:

Question # 28

The charge carriers in an electrolyte are

Question # 29

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

Question # 30

The charge carries in the electrolyte are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

The obvious effect/s of current is/are:
A.

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
2 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these
3 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion
4 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

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

Increases

B.

Decreases

C.

Remains the constant

D.

Either of these
6 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
7 An electric field is generated along the wire when:
A.

Its resistance is very high

B.

A constant potential is maintained across the wire

C.

Net current through the wire is zero

D.

A constant potential difference is maintained across the wire
8 If the ends of a wire are connected to a battery an electric field E will be set up at:
A.

The ends of the wire only

B.

Mid points of the wire only

C.

Every point within the wire

D.

At nodes only
9 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
10 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma

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