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

Question # 2

Tick the correct statement:

Question # 3

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

Question # 4

The free electrons in metals:

Question # 5

The fourth band is a:

Question # 6

The third band of the colour code:

Question # 7

An ideal voltmeter has:

Question # 8

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

Question # 9

An important part of inkjet printer is:

Question # 10

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

Question # 11

When two spherical conducting balls at different potentials are joined by metallic wire, the current starts:

Question # 12

In gases, the charge carriers are:

Question # 13

Most practical applications of electricity involve

Question # 14

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

Question # 15

An inkjet printer uses in its operation:

Question # 16

In case of metallic conductors, the charge carriers are

Question # 17

As the current flows through the wire

Question # 18

The emf is measured in:

Question # 19

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

Question # 20

In a metal, the valence electrons are:

Question # 21

The current that flows through the coil of a motor causes:

Question # 22

The best conductor is:

Question # 23

An eV is unit of:

Question # 24

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

Question # 25

Static electricity is produced by the transfer of:

Question # 26

Gaussian surface is always:

Question # 27

The value of relative permittivity of different dielectrics are:

Question # 28

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

Question # 29

The current that flows through the coil of a motor causes

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

The magnitude of chemical Effects depends upon:
A.

Nature of liquid

B.

Quantity of Electricity passed through the liquid

C.

Color of the liquid

D.

Both (A) and (C)
2 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

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

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
5 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
6 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
7 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
8 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
9 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)
10 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions

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