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

In gases, the charge carriers are:

Question # 2

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

Question # 3

The emf is measured in:

Question # 4

The obvious effect/s of current is/are:

Question # 5

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

Question # 6

Xerography means:

Question # 7

As the current flow through the wire:

Question # 8

The value of resistivity is the least for:

Question # 9

The charge carriers in an electrolyte are

Question # 10

The flux through a closed surface depends upon:

Question # 11

Most practical application of electricity involve

Question # 12

A field free region is found:

Question # 13

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

Question # 14

The magnitude of chemical Effects depends upon:

Question # 15

An eV is unit of:

Question # 16

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

Question # 17

In case of metallic conductors, the change carries are:

Question # 18

Most practical applications of electricity involve

Question # 19

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

Question # 20

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

Question # 21

Which instrument is expensive and difficult to use?

Question # 22

Aluminum is a:

Question # 23

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

Question # 24

An important part of inkjet printer is:

Question # 25

Tick the correct statement:

Question # 26

Electric flux is:

Question # 27

Electric field lines emerge from the charge in:

Question # 28

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

Question # 29

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

Question # 30

In case of metallic conductors, the charge carriers are

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ECAT Chapter 13 Important MCQ's

Sr.# Question Answer
1

The charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

D.

Both (A) and (B)
2

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

At rest

B.

At rest under the action of electric forces

C.

In motion under the action of electric forces

D.

In motion
3 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C
4 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
5 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
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 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
8 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
9

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

Greater than the speed at which they pass from left to right

B.

Less than the speed at which they pass from left to right

C.

The same speed at which they pass from left to right

D.

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

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