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

Selenium is:

Question # 3

The quantity having the same unit as that of emf is:

Question # 4

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

Question # 5

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

Question # 6

Aluminum is a:

Question # 7

The flux through a closed surface depends upon:

Question # 8

Most practical applications of electricity involve

Question # 9

The magnitude of chemical Effects depends upon:

Question # 10

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

Question # 11

Kirchhoff's first rule is also called:

Question # 12

Xerography means:

Question # 13

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

Question # 14

As the current flows through the wire

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

Electric field lines emerge from the charge in:

Question # 19

The third band of the colour code:

Question # 20

Tick the correct statement:

Question # 21

In case of metallic conductors, the charge carriers are

Question # 22

An important part of inkjet printer is:

Question # 23

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 # 24

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

Question # 25

A rheostat can e used:

Question # 26

Which instrument is expensive and difficult to use?

Question # 27

The value of relative permittivity of different dielectrics are:

Question # 28

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

Question # 29

The electric flux through any surface depends upon:

Question # 30

Static electricity is produced by the transfer of:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
2

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)
3 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
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 The passage of current is accompanied by a magnetic field in the surrounding space:
A.

Always accompanied

B.

Sometimes accompanied

C.

Never accompanied

D. Any of above
6 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
7

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)
8 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
9 The passage of current is accompanied by a magnetic field in the surrounding space:
A.

Always accompanied

B.

Sometimes accompanied

C.

Never accompanied

D. Any of above
10 The conventional current is the name given to current due to flow of
A. Positrons
B. Positive charges
C. Negative charges
D. Both A and C

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