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

Xerography means:

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

In case of metallic conductors, the charge carriers are

Question # 6

The device which can convert heat energy into electrical energy is called:

Question # 7

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

Question # 8

The interior of a hollow charged metal sphere is a region which:

Question # 9

An example of photoconductor is:

Question # 10

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 # 11

The current that flows through the coil of a motor causes

Question # 12

In gases, the charge carriers are:

Question # 13

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

Question # 14

As the current flows through the wire

Question # 15

The inkjet printer ejects a thin stream of:

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

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 # 20

The obvious effect/s of current is/are:

Question # 21

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

Question # 22

An electric field is generated along the wire when:

Question # 23

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

Question # 24

Most practical applications of electricity involve

Question # 25

Electric field lines emerge from the charge in:

Question # 26

Which instrument is expensive and difficult to use?

Question # 27

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

Question # 28

Kirchhoff's first rule is also called:

Question # 29

Most practical application of electricity involve

Question # 30

Aluminum is a:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The positive charge moving in one direction is equivalent in all external affects to a:
A.

Negative charge is moving in the same direction

B.

Positive charge is moving in the opposite direction

C.

Negative charge moving in the opposite direction

D.

Positive charges moving in the same direction
2 Which of the following substances has got positive temperature coefficient of resistance?
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
3

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
4 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
5

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

Decreases

B.

Increases

C.

Remains the constant

D.

Either of these
7 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
8

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
9 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
10 The emf is measured in:
A. Newton
B. Volt
C. J/C
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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