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

The electric flux through any surface depends upon:

Question # 2

As the current flows through the wire

Question # 3

The obvious effect/s of current is/are:

Question # 4

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 # 5

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

Question # 6

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

Question # 7

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

Question # 8

Xerography means:

Question # 9

An ideal voltmeter has:

Question # 10

Static electricity is produced by the transfer of:

Question # 11

An eV is unit of:

Question # 12

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

Question # 13

In case of metallic conductors, the charge carriers are

Question # 14

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 # 15

Electrolysis is the study of conduction of electricity through:

Question # 16

The third band of the colour code:

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

The flux through a closed surface depends upon:

Question # 22

Kirchhoff's first rule is also called:

Question # 23

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

Question # 24

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

Question # 25

A thermistor is a resistor which is:

Question # 26

In case of metallic conductors, the charge carriers are

Question # 27

An important part of inkjet printer is:

Question # 28

Electrostatics is the branch of physics which deals with the study of electro charges:

Question # 29

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

Question # 30

The charge carries in the electrolyte are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity
2 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
3

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
4

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
5 Which instrument is expensive and difficult to use?
A. Voltmeter
B. Potentiometer
C. CRO
D. Both A and C
6 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
7

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)
8 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these
9 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten
10 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons

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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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