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

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

Question # 2

As the current flow through the wire:

Question # 3

The charge carries in the electrolyte are:

Question # 4

Gaussian surface is always:

Question # 5

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

Question # 6

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

Question # 7

An important part of inkjet printer is:

Question # 8

A field free region is found:

Question # 9

Magnetic effect of current is used:

Question # 10

In gases, the charge carriers are:

Question # 11

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

Question # 12

Aluminum is a:

Question # 13

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

Question # 14

An important part of photocopier is:

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

As the current flows through the wire

Question # 19

Which instrument is expensive and difficult to use?

Question # 20

Thermistors are prepared under

Question # 21

An inkjet printer uses in its operation:

Question # 22

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

Question # 23

Kirchhoff's first rule is also called:

Question # 24

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

Question # 25

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

Question # 26

The current that flows through the coil of a motor causes

Question # 27

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

Question # 28

Xerography means:

Question # 29

Most practical applications of electricity involve

Question # 30

A rheostat can e used:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
2 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
3 As the current flows through the wire
A. It generates heat in the wire
B. It produces sound in the wire
C. Resistance of the wire decrease
D. Voltage across the ends is the increase
4 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
5 When a constant potential difference is applied across the conductor, the drift velocity of electrons:
A.

Increases

B.

Decreases

C.

Remains the constant

D.

Either of these
6 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
7

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
8 A field free region is found:
A.

Near the outer surface of a hollow charged metal sphere

B.

In the interior of solid metal uncharged sphere

C.

In the interior of solid metal charged sphere

D.

Both (A) and (B)
9 Tick the correct statement:
A.

Both the potential and potential difference is scalars

B.

Potential is a scalar but potential difference is a vector

C. Both are vectors

D.

Potential is vector but potential difference is scalar
10

In case of metallic conductors, the change carries 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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