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

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

Question # 2

As the current flows through the wire

Question # 3

Kirchhoff's first rule is also called:

Question # 4

An electric field is generated along the wire when:

Question # 5

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

Question # 6

In a metal, the valence electrons are:

Question # 7

An important part of inkjet printer is:

Question # 8

The inkjet printer ejects a thin stream of:

Question # 9

The current that flows through the coil of a motor causes

Question # 10

An eV is unit of:

Question # 11

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

Question # 12

Tick the correct statement:

Question # 13

The obvious effect/s of current is/are:

Question # 14

A rheostat can e used:

Question # 15

The value of resistivity is the least for:

Question # 16

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 # 17

A field free region is found:

Question # 18

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

Question # 19

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

Question # 20

The electric flux through any surface depends upon:

Question # 21

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

Question # 22

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

Question # 23

An example of photoconductor is:

Question # 24

In case of metallic conductors, the charge carriers are

Question # 25

An ideal voltmeter has:

Question # 26

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

Question # 27

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

Question # 28

Electrolysis is the study of conduction of electricity through:

Question # 29

The free electrons in metals:

Question # 30

An inkjet printer uses in its operation:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
2

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)
3

The charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

D.

Both (A) and (B)
4 When a constant potential difference is applied across the conductor, the drift velocity of electrons:
A.

Increases

B.

Decreases

C.

Remains the constant

D.

Either of these
5 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
6

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

Its shaft to revolve

B.

Its brushes to rotate

C.

Motor to move

D.

Its shafts to rotate
7 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these
8 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
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

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle

Test Questions

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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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