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

As the current flows through the wire

Question # 2

A rheostat can e used:

Question # 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:

Question # 4

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

Question # 5

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

Question # 6

If the ends of a wire are connected to a battery an electric field E will be set up at:

Question # 7

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

Question # 8

The flux through a closed surface depends upon:

Question # 9

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

Question # 10

Gaussian surface is always:

Question # 11

Most practical applications of electricity involve

Question # 12

Electric field lines emerge from the charge in:

Question # 13

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

Question # 14

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

Question # 15

Aluminum is a:

Question # 16

The fourth band is a:

Question # 17

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

Question # 18

An electric field is generated along the wire when:

Question # 19

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

Question # 20

In gases, the charge carriers are:

Question # 21

The free electrons in metals:

Question # 22

A thermistor is a resistor which is:

Question # 23

In case of metallic conductors, the charge carriers are

Question # 24

A field free region is found:

Question # 25

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

Question # 26

In a metal, the valence electrons are:

Question # 27

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

Question # 28

The inkjet printer ejects a thin stream of:

Question # 29

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

Question # 30

The obvious effect/s of current is/are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple
2

The charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

D.

Both (A) and (B)
3 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
4 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
5

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity
6 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
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

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

Different

B.

Same

C.

Such that it is greater in the first case

D.

Such that it is greater in the second case
9 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
10 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule

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