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

Most practical application of electricity involve

Question # 2

A field free region is found:

Question # 3

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

Question # 4

The charge carries in the electrolyte are:

Question # 5

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

Question # 6

An important part of inkjet printer is:

Question # 7

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

Question # 8

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 # 9

The quantity having the same unit as that of emf is:

Question # 10

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

Question # 11

When two spherical conducting balls at different potentials are joined by metallic wire, the current starts:

Question # 12

The surface destiny of charge is defined is:

Question # 13

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

Question # 14

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 # 15

The emf is measured in:

Question # 16

The electric flux through any surface depends upon:

Question # 17

An ideal voltmeter has:

Question # 18

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

Question # 19

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

Question # 20

Gaussian surface is always:

Question # 21

The current that flows through the coil of a motor causes

Question # 22

The value of relative permittivity of different dielectrics are:

Question # 23

In gases, the charge carries are:

Question # 24

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

Question # 25

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

Question # 26

Which of the following substances has got positive temperature coefficient of resistance?

Question # 27

In case of metallic conductors, the charge carriers are

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 a metal, the valence electrons are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
2 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
3 Tick the correct statement:
A.

Both the potential and potential difference is scalars

B.

Potential is a scalar but potential difference is a vector

C. Both are vectors

D.

Potential is vector but potential difference is scalar
4 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)
5 The interior of a hollow charged metal sphere is a region which:
A.

Contain some magnitude of electric field

B.

Is full of electric field lines

C.

Is field-free region

D.

Either (A) or (B)
6

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple
7 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
8 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
9 SI unit of current describes the flow of charge at the rate of
A. One ampere per second
B. One coulomb per second
C. One electron per second
D. 6.25 x 1018electrons per second
10 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape

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