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

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

Question # 2

The inkjet printer ejects a thin stream of:

Question # 3

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

Question # 4

Gaussian surface is always:

Question # 5

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

Question # 6

A thermistor is a resistor which is:

Question # 7

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

Question # 8

The fourth band is a:

Question # 9

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

Question # 10

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

Question # 11

In gases, the charge carries are:

Question # 12

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

Question # 13

In case of metallic conductors, the charge carriers are

Question # 14

Another mean of electric potential energy per unit charge is given by:

Question # 15

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

Question # 16

An eV is unit of:

Question # 17

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

Question # 18

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

Question # 19

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 # 20

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

Question # 21

Heating effect of current utilized in:

Question # 22

Electric flux is:

Question # 23

When certain area A is held parallel to the field lines, then:

Question # 24

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

Question # 25

Static electricity is produced by the transfer of:

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

The value of resistivity is the least for:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The passage of current is accompanied by a magnetic field in the surrounding space:
A.

Always accompanied

B.

Sometimes accompanied

C.

Never accompanied

D. Any of above
2 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
3

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
4 A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s
A. One coulomb
B. 0.5 coulomb
C. 30 coulombs
D. 2 coulombs
5 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)
6 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
7

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

Both the conductors are at the same potential

B.

Potential difference across the conductors remain constant

C.

Potential difference across the conductors becomes zero

D.

Both (A) and (B)
8 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
9 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion
10 The inkjet printer ejects a thin stream of:
A.

Water

B.

Oil

C.

Ink

D.

Any of above

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