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

  • Total Questions30

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Physics ECAT Pre Engineering Chapter 13 Current Electricity

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Question # 1

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 # 2

Electric flux is:

Question # 3

The flux through a closed surface depends upon:

Question # 4

The free electrons in metals:

Question # 5

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

Question # 6

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

Question # 7

The inkjet printer ejects a thin stream of:

Question # 8

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

Question # 9

Thermistors are prepared under

Question # 10

In gases, the charge carriers are:

Question # 11

Which instrument is expensive and difficult to use?

Question # 12

An ideal voltmeter has:

Question # 13

As the current flows through the wire

Question # 14

As the current flow through the wire:

Question # 15

In case of metallic conductors, the charge carriers are

Question # 16

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

Question # 17

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

Question # 18

In gases, the charge carries are:

Question # 19

The surface destiny of charge is defined is:

Question # 20

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

Question # 21

The current that flows through the coil of a motor causes

Question # 22

A rheostat can e used:

Question # 23

Electrolysis is the study of conduction of electricity through:

Question # 24

A thermistor is a resistor which is:

Question # 25

An inkjet printer uses in its operation:

Question # 26

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

Question # 27

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

Question # 28

The value of relative permittivity of different dielectrics are:

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
2

An inkjet printer uses in its operation:

A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge

3 As the current flow through the wire:
A.

It generates heat in the wire

B.

It produces sound in the wire

C.

Resistance of the wire decreases

D.

Voltage across the ends is increased

4 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
5 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
6 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids

7 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
8 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
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 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these

Test Questions

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  • Hamza

    Hamza

    17 Aug 2019

    It has many error

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    Reply
  • 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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    Reply