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 emf is measured in:

Question # 2

Xerography means:

Question # 3

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

Question # 4

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

Question # 5

In case of metallic conductors, the charge carriers are

Question # 6

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

Question # 7

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

Question # 8

Thermistors are prepared under

Question # 9

The free electrons in metals:

Question # 10

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

Question # 11

Static electricity is produced by the transfer of:

Question # 12

Kirchhoff's first rule is also called:

Question # 13

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

Question # 14

A rheostat can e used:

Question # 15

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

Question # 16

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

Question # 17

The charge carriers in an electrolyte are

Question # 18

As the current flows through the wire

Question # 19

An important part of photocopier is:

Question # 20

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

Question # 21

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

Question # 22

The flux through a closed surface depends upon:

Question # 23

The value of resistivity is the least for:

Question # 24

The magnitude of chemical Effects depends upon:

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

As the current flow through the wire:

Question # 29

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

Question # 30

The third band of the colour code:

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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 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)
3 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
4 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
5

In case of metallic conductors, the change carries are:
A.

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
6 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
7 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
8 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
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 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these

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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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