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

Question # 2

The best conductor is:

Question # 3

The emf is measured in:

Question # 4

In case of metallic conductors, the charge carriers are

Question # 5

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

Question # 6

The charge carriers in an electrolyte are

Question # 7

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

Question # 8

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

Question # 9

Static electricity is produced by the transfer of:

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

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

Question # 12

Electrolysis is the study of conduction of electricity through:

Question # 13

Tick the correct statement:

Question # 14

Kirchhoff's first rule is also called:

Question # 15

A rheostat can e used:

Question # 16

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

Question # 17

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

Question # 18

An electric field is generated along the wire when:

Question # 19

Aluminum is a:

Question # 20

The electric flux through any surface depends upon:

Question # 21

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

Question # 22

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

Question # 23

An important part of inkjet printer is:

Question # 24

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

Question # 25

In case of metallic conductors, the change carries are:

Question # 26

The third band of the colour code:

Question # 27

An eV is unit of:

Question # 28

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

Question # 29

An ideal voltmeter has:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge
2 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
3 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
4 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
5 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
6 The conventional current is the name given to current due to flow of:
A. Positrons
B.

Positive charges

C.

Negative charges

D.

Both (A) and (C)
7

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
8

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

Greater than the speed at which they pass from left to right

B.

Less than the speed at which they pass from left to right

C.

The same speed at which they pass from left to right

D.

Any of above
9 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
10 An electric field is generated along the wire when:
A.

Its resistance is very high

B.

A constant potential is maintained across the wire

C.

Net current through the wire is zero

D.

A constant potential difference is maintained across the wire

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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