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

Question # 2

In gases, the charge carriers are:

Question # 3

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

Question # 4

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

Question # 5

The current that flows through the coil of a motor causes

Question # 6

As the current flows through the wire

Question # 7

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

Question # 8

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 # 9

Which instrument is expensive and difficult to use?

Question # 10

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

Question # 11

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

Question # 12

An eV is unit of:

Question # 13

In case of metallic conductors, the charge carriers are

Question # 14

The inkjet printer ejects a thin stream of:

Question # 15

In gases, the charge carries are:

Question # 16

Aluminum is a:

Question # 17

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

Question # 18

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 # 19

The magnitude of chemical Effects depends upon:

Question # 20

In order to have a constant current through wire, the potential difference across its end should:

Question # 21

Gaussian surface is always:

Question # 22

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

Question # 23

An electric field is generated along the wire when:

Question # 24

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

Question # 25

Magnetic effect of current is used:

Question # 26

Most practical application of electricity involve

Question # 27

An inkjet printer uses in its operation:

Question # 28

Electric flux is:

Question # 29

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

Question # 30

The obvious effect/s of current is/are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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)
2

In case of two identical charges placed certain distance apart, the electric field lines are:
A.

Straight lines

B.

Sine curves

C.

Curved

D.

Both (A) and (B)
3 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)
4 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
5 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
6 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
7

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
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 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
10 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these

Test Questions