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

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

Question # 2

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

Question # 3

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 # 4

The charge carriers in an electrolyte are

Question # 5

The emf is measured in:

Question # 6

The current that flows through the coil of a motor causes

Question # 7

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

Question # 8

An eV is unit of:

Question # 9

Heating effect of current utilized in:

Question # 10

An inkjet printer uses in its operation:

Question # 11

Thermistors are prepared under

Question # 12

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

Question # 13

Electrolysis is the study of conduction of electricity through:

Question # 14

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

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

A rheostat can e used:

Question # 17

Electric flux is:

Question # 18

Selenium is:

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

The best conductor is:

Question # 23

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

Question # 24

Static electricity is produced by the transfer of:

Question # 25

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

Question # 26

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

Question # 27

The electric flux through any surface depends upon:

Question # 28

The example/s of non-electrical energy to electrical is/are:

Question # 29

Aluminum is a:

Question # 30

The third band of the colour code:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
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 inkjet printer ejects a thin stream of:
A.

Water

B.

Oil

C.

Ink

D.

Any of above
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 Selenium is:
A.

An insulator

B.

A conductor

C.

Insulator in the dark and becomes conductor when exposed to light

D.

Conductor in the dark only
6 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
7

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

Decreasing from zero to maximum

B.

Increasing from zero to maximum

C.

Decreasing from maximum to zero

D.

Increasing from maximum to zero
8 An electric field is generated along the wire when:
A.

Its resistance is very high

B.

A constant potential is maintained across the wire

C.

Net current through the wire is zero

D.

A constant potential difference is maintained across the wire
9 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
10 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)

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  • Hamza

    Hamza

    17 Aug 2019

    It has many error

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  • Salmankhan

    Salmankhan

    02 Feb 2018

    Sir g plz correct this mcq the device which convert electrical into machinical is called moter but here the answer is generator

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