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

Thermistors are prepared under

Question # 2

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

Question # 3

The best conductor is:

Question # 4

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

Question # 5

The surface destiny of charge is defined is:

Question # 6

In case of metallic conductors, the charge carriers are

Question # 7

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

Question # 8

As the current flows through the wire

Question # 9

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

Question # 10

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

Question # 11

The electric flux through any surface depends upon:

Question # 12

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

Question # 13

A thermistor is a resistor which is:

Question # 14

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

Question # 15

In gases, the charge carries are:

Question # 16

An eV is unit of:

Question # 17

The magnitude of chemical Effects depends upon:

Question # 18

A field free region is found:

Question # 19

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

Question # 20

The flux through a closed surface depends upon:

Question # 21

The current that flows through the coil of a motor causes

Question # 22

Kirchhoff's first rule is also called:

Question # 23

In a metal, the valence electrons are:

Question # 24

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 # 25

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

Question # 26

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

Question # 27

Selenium is:

Question # 28

The value of relative permittivity of different dielectrics are:

Question # 29

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

Question # 30

The charge carriers in an electrolyte are

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
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 The flux through a closed surface depends upon:
A.

Shape of geometry of the closed surface

B.

Charge enclosed

C.

Nature of the medium

D.

Both (A) and (B)
4 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum
5 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
6 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
7 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these
8

The charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

D.

Both (A) and (B)
9

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)
10

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

One coulomb

B.

0.5 coulomb

C.

30 coulomb

D.

2 coulombs

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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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