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

An example of photoconductor is:

Question # 2

An ideal voltmeter has:

Question # 3

The electric flux through any surface depends upon:

Question # 4

The free electrons in metals:

Question # 5

Electrolysis is the study of conduction of electricity through:

Question # 6

A thermistor is a resistor which is:

Question # 7

Kirchhoff's first rule is also called:

Question # 8

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

Question # 9

The emf is measured in:

Question # 10

Aluminum is a:

Question # 11

The flux through a closed surface depends upon:

Question # 12

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

Question # 13

The surface destiny of charge is defined is:

Question # 14

Conversion of chemical energy to electrical energy can be achieved by:

Question # 15

Selenium is:

Question # 16

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

Question # 17

The value of relative permittivity of different dielectrics are:

Question # 18

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

Question # 19

The effects of bends in a wire on its electrical resistance are:

Question # 20

An eV is unit of:

Question # 21

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

Question # 22

Tick the correct statement:

Question # 23

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

Question # 24

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

Question # 25

In case of metallic conductors, the change carries are:

Question # 26

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 # 27

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

Question # 28

The obvious effect/s of current is/are:

Question # 29

An important part of inkjet printer is:

Question # 30

Thermistors are prepared under

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
2 The value of relative permittivity of different dielectrics are:
A.

Equal

B.

Different

C.

Greater than one

D.

Smaller than one
3 The inkjet printer ejects a thin stream of:
A.

Water

B.

Oil

C.

Ink

D.

Any of above
4

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)
5 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)
6 SI unit of current describes the flow of charge at the rate of
A. One ampere per second
B. One coulomb per second
C. One electron per second
D. 6.25 x 1018electrons per second
7 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
8 In a metal, the valence electrons are:
A. Attached to individual atoms
B. Not attached to individual atoms
C. Free to move within the metal
D. Both A and B
9

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)
10

The magnitude of chemical Effects depends upon:
A.

Nature of liquid

B.

Quantity of Electricity passed through the liquid

C.

Color of the liquid

D.

Both (A) and (C)

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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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