ECAT Pre General Science Physics Chapter 13 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

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ECAT Pre General Science Physics Chapter 13 Current Electricity

00:00
Question # 1

The charge carriers in an electrolyte are

Question # 2

Electric flux is:

Question # 3

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

Question # 4

An important part of photocopier is:

Question # 5

As the current flows through the wire

Question # 6

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

Question # 7

A field free region is found:

Question # 8

The free electrons in metals:

Question # 9

An important part of inkjet printer is:

Question # 10

An example of photoconductor is:

Question # 11

An electric field is generated along the wire when:

Question # 12

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

Question # 13

Electric field lines emerge from the charge in:

Question # 14

Most practical application of electricity involve

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 surface destiny of charge is defined is:

Question # 17

Static electricity is produced by the transfer of:

Question # 18

The current that flows through the coil of a motor causes

Question # 19

The inkjet printer ejects a thin stream of:

Question # 20

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

Question # 21

In case of metallic conductors, the change carries are:

Question # 22

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

Question # 23

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

Question # 24

Selenium is:

Question # 25

The emf is measured in:

Question # 26

The fourth band is a:

Question # 27

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

Question # 28

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

Question # 29

Which instrument is expensive and difficult to use?

Question # 30

An ideal voltmeter has:

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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 In a metal, the valence electrons are:
A. Attached to individual atoms
B. Not attached to individual atoms
C. Free to move within the metal
D. Both A and B
3

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)
4 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
5

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)
6 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
7 The strength of magnetic field at certain points around a wire depends upon:
A.

Value of current passing

B.

Distance from the current element

C.

Color of the material

D.

Both (A) and (B)
8

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

Zero

B.

Much larger

C.

Larger

D.

Smaller
9 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
10 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles

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