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

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

Question # 3

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

Question # 4

In case of metallic conductors, the change carries are:

Question # 5

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

Question # 6

A field free region is found:

Question # 7

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

Question # 8

As the current flow through the wire:

Question # 9

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

Question # 10

The fourth band is a:

Question # 11

The electric flux through any surface depends upon:

Question # 12

Static electricity is produced by the transfer of:

Question # 13

Selenium is:

Question # 14

In case of metallic conductors, the charge carriers are

Question # 15

The surface destiny of charge is defined is:

Question # 16

The emf is measured in:

Question # 17

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

Question # 18

The interior of a hollow charged metal sphere is a region which:

Question # 19

In gases, the charge carriers are:

Question # 20

In case of metallic conductors, the charge carriers are

Question # 21

As the current flows through the wire

Question # 22

In a metal, the valence electrons are:

Question # 23

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

Question # 24

Certain charge +q is placed at the center of a sphere. At each of the sphere,The directions of electric intensity and vector area are:

Question # 25

The charge carries in the electrolyte are:

Question # 26

Thermistors are prepared under

Question # 27

Heating effect of current utilized in:

Question # 28

The inkjet printer ejects a thin stream of:

Question # 29

In order to have a constant current through wire, the potential difference across its end should:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
2

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

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer
3 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
4 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
5 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
6 The free electrons in metals:
A.

Are in random motion and their speed depends upon temperature

B.

Move in particular direction

C.

Move with speed of light

D.

Move such that their speed does not depend on their temperature
7

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)
8 Which of the following substances has got positive temperature coefficient of resistance?
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
9 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
10 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance

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