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

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Question # 1

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

Question # 2

Electrolysis is the study of conduction of electricity through:

Question # 3

The value of relative permittivity of different dielectrics are:

Question # 4

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

Question # 5

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

Question # 6

A rheostat can e used:

Question # 7

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

Question # 8

Most practical application of electricity involve

Question # 9

The third band of the colour code:

Question # 10

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

Question # 11

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

Question # 12

An ideal voltmeter has:

Question # 13

The current that flows through the coil of a motor causes

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

In case of metallic conductors, the change carries are:

Question # 20

Electric flux is:

Question # 21

The surface destiny of charge is defined is:

Question # 22

Most practical applications of electricity involve

Question # 23

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

Question # 24

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

Question # 25

In gases, the charge carries are:

Question # 26

Heating effect of current utilized in:

Question # 27

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

Question # 28

The magnitude of chemical Effects depends upon:

Question # 29

Which of the following substances has got positive temperature coefficient of resistance?

Question # 30

In case of metallic conductors, the charge carriers are

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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)
2

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

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
3 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
4 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C
5 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
6 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
7 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
8

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)
9

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

Be zero

B.

Be maintained constant

C.

Goes on increasing

D.

Go on decreasing
10 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

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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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