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 current that flows through the coil of a motor causes:

Question # 2

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

Question # 3

Heating effect of current utilized in:

Question # 4

Which instrument is expensive and difficult to use?

Question # 5

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

Question # 6

Most practical applications of electricity involve

Question # 7

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

Question # 8

The charge carriers in an electrolyte are

Question # 9

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

Question # 10

The emf is measured in:

Question # 11

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

Question # 12

Most practical application of electricity involve

Question # 13

The value of resistivity is the least for:

Question # 14

In case of metallic conductors, the change carries are:

Question # 15

The free electrons in metals:

Question # 16

Thermistors are prepared under

Question # 17

As the current flow through the wire:

Question # 18

Electric field lines emerge from the charge in:

Question # 19

In case of metallic conductors, the charge carriers are

Question # 20

The magnitude of chemical Effects depends upon:

Question # 21

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 # 22

In a metal, the valence electrons are:

Question # 23

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

Question # 24

In gases, the charge carriers are:

Question # 25

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

Question # 26

The charge carries in the electrolyte are:

Question # 27

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

Question # 28

Static electricity is produced by the transfer of:

Question # 29

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

Question # 30

In gases, the charge carries 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 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
3 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
4 Thermistors are prepared under
A. High pressure and low temperature
B. High pressure and high temperature
C. Low pressure and low temperature
D. Low pressure and high temprature
5

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

One coulomb

B.

0.5 coulomb

C.

30 coulomb

D.

2 coulombs
6 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
7 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
8 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
9 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
10

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

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