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

As the current flows through the wire

Question # 2

A thermistor is a resistor which is:

Question # 3

In a metal, the valence electrons are:

Question # 4

Electric flux is:

Question # 5

The value of resistivity is the least for:

Question # 6

A field free region is found:

Question # 7

The charge carriers in an electrolyte are

Question # 8

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

Question # 9

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

Question # 10

As the current flow through the wire:

Question # 11

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

Question # 12

Most practical application of electricity involve

Question # 13

When certain area A is held parallel to the field lines, then:

Question # 14

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

Question # 15

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

Question # 16

The free electrons in metals:

Question # 17

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

Question # 18

The value of relative permittivity of different dielectrics are:

Question # 19

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

Question # 20

In gases, the charge carriers are:

Question # 21

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 # 22

The conventional current is the name given to current due to flow of

Question # 23

The inkjet printer ejects a thin stream of:

Question # 24

Electrolysis is the study of conduction of electricity through:

Question # 25

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

Question # 26

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

Question # 27

An inkjet printer uses in its operation:

Question # 28

The fourth band is a:

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
2

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

Primary cell

B.

Secondary cell

C.

Both (A) and (B)

D.

Photovoltaic cell
3

The obvious effect/s of current is/are:
A.

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
4

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)
5 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
6 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
7

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:
A.

Circle

B.

Rectangle

C.

Sphere

D.

Box
8 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)
9 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
10 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current

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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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