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 eV is unit of:

Question # 2

The value of relative permittivity of different dielectrics are:

Question # 3

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

Question # 4

The magnitude of chemical Effects depends upon:

Question # 5

The current that flows through the coil of a motor causes

Question # 6

The obvious effect/s of current is/are:

Question # 7

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

Question # 8

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

Question # 9

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 # 10

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

Question # 11

The emf is measured in:

Question # 12

An electric field is generated along the wire when:

Question # 13

Most practical application of electricity involve

Question # 14

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

Question # 15

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

Question # 16

Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:

Question # 17

In gases, the charge carries are:

Question # 18

The fourth band is a:

Question # 19

In a metal, the valence electrons are:

Question # 20

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

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

Question # 23

The inkjet printer ejects a thin stream of:

Question # 24

The flux through a closed surface depends upon:

Question # 25

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

Question # 26

When two spherical conducting balls at different potentials are joined by metallic wire, the current starts:

Question # 27

A rheostat can e used:

Question # 28

Xerography means:

Question # 29

As the current flow through the wire:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
2 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)
3

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:
A.

Same

B.

Different

C.

Opposite to each other

D.

At 60º with each other
4 Thermistors are prepared under
A. High pressure and low temperature
B. High pressure and high temperature
C. Low pressure and low temperature
D. Low pressure and high temprature
5 A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s
A. One coulomb
B. 0.5 coulomb
C. 30 coulombs
D. 2 coulombs
6

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

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
7 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
8 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
9 The flux through a closed surface depends upon:
A.

Shape of geometry of the closed surface

B.

Charge enclosed

C.

Nature of the medium

D.

Both (A) and (B)
10

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple

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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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