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 inkjet printer ejects a thin stream of:

Question # 2

The earth’s potential and potential at infinity are taken:

Question # 3

The third band of the colour code:

Question # 4

In gases, the charge carries are:

Question # 5

Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:

Question # 6

The best conductor is:

Question # 7

The emf is measured in:

Question # 8

In a metal, the valence electrons are:

Question # 9

The electric flux through any surface depends upon:

Question # 10

The magnitude of chemical Effects depends upon:

Question # 11

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

Question # 12

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

Question # 13

The positive charge moving in one direction is equivalent in all external affects to a:

Question # 14

An electric field is generated along the wire when:

Question # 15

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

Question # 16

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

Question # 17

The conventional current is the name given to current due to flow of:

Question # 18

The value of relative permittivity of different dielectrics are:

Question # 19

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

Question # 20

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

Question # 21

The surface destiny of charge is defined is:

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

Aluminum is a:

Question # 27

Xerography means:

Question # 28

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

Question # 29

The charge carries in the electrolyte are:

Question # 30

An important part of inkjet printer is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
2

The example/s of non-electrical energy to electrical is/are:
A.

Chemical energy

B.

Mechanical energy

C.

Heat energy

D.

Both (A) and (B)
3

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:
A.

Circle

B.

Rectangle

C.

Sphere

D.

Box
4 As the current flow through the wire:
A.

It generates heat in the wire

B.

It produces sound in the wire

C.

Resistance of the wire decreases

D.

Voltage across the ends is increased
5

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

Straight lines

B.

Sine curves

C.

Curved

D.

Both (A) and (B)
6

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

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
7 The number of field lines passing through unit area held perpendicular to the field lines represent:
A.

Flux in that region

B.

Intensity of the field

C.

Charge

D.

Area of the region
8 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these
9

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

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer
10 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)

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