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

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Question # 1

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

Question # 2

Aluminum is a:

Question # 3

An electric field is generated along the wire when:

Question # 4

Which instrument is expensive and difficult to use?

Question # 5

Xerography means:

Question # 6

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

Question # 7

The positive charge moving in one direction is equivalent in all external affects to a:

Question # 8

The inkjet printer ejects a thin stream of:

Question # 9

Most practical applications of electricity involve

Question # 10

The fourth band is a:

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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 # 16

Electric flux is:

Question # 17

The obvious effect/s of current is/are:

Question # 18

Heating effect of current utilized in:

Question # 19

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

Question # 20

The strength of magnetic field at certain points around a wire depends upon:

Question # 21

Magnetic effect of current is used:

Question # 22

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

Question # 23

As the current flow through the wire:

Question # 24

The free electrons in metals:

Question # 25

In a metal, the valence electrons are:

Question # 26

Thermistors are prepared under

Question # 27

An eV is unit of:

Question # 28

The electric flux through any surface depends upon:

Question # 29

A thermistor is a resistor which is:

Question # 30

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:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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
2

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

Primary cell

B.

Secondary cell

C.

Both (A) and (B)

D.

Photovoltaic cell
3

The obvious effect/s of current is/are:
A.

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
4 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
5 The conventional current is the name given to current due to flow of
A. Positrons
B. Positive charges
C. Negative charges
D. Both A and C
6 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
7 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
8

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)
9 In a metal, the valence electrons are:
A.

Attach to individual atoms

B.

Not attached to individual atoms

C.

Free to move within the metal

D.

Both (A) and (C)
10 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

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