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

Question # 2

The charge carriers in an electrolyte are

Question # 3

Xerography means:

Question # 4

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

Question # 5

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

Question # 6

The positive charge moving in one direction is equivalent in all external affects to a:

Question # 7

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

Question # 8

In a metal, the valence electrons are:

Question # 9

The emf is measured in:

Question # 10

Tick the correct statement:

Question # 11

Magnetic effect of current is used:

Question # 12

The current that flows through the coil of a motor causes

Question # 13

An electric field is generated along the wire when:

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

In a metal, the valence electrons are:

Question # 18

In case of metallic conductors, the charge carriers are

Question # 19

Gaussian surface is always:

Question # 20

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

Question # 21

The electric flux through any surface depends upon:

Question # 22

The inkjet printer ejects a thin stream of:

Question # 23

An important part of photocopier is:

Question # 24

The free electrons in metals:

Question # 25

Most practical application of electricity involve

Question # 26

The charge carries in the electrolyte are:

Question # 27

Aluminum is a:

Question # 28

The best conductor is:

Question # 29

Electric flux is:

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

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)
2

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

Different

B.

Same

C.

Such that it is greater in the first case

D.

Such that it is greater in the second case
3 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
4 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)
5 The free electrons in metals:
A.

Are in random motion and their speed depends upon temperature

B.

Move in particular direction

C.

Move with speed of light

D.

Move such that their speed does not depend on their temperature
6 The term drift velocity is used when the ends of a wire are:
A.

Connected to a laser source

B.

Connected to a voltage source

C.

Not connected to a voltage source

D.

At different values of potential
7

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

Straight lines

B.

Sine curves

C.

Curved

D.

Both (A) and (B)
8 The passage of current is accompanied by a magnetic field in the surrounding space:
A.

Always accompanied

B.

Sometimes accompanied

C.

Never accompanied

D. Any of above
9

The charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

D.

Both (A) and (B)
10

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

Decreasing from zero to maximum

B.

Increasing from zero to maximum

C.

Decreasing from maximum to zero

D.

Increasing from maximum to zero

Test Questions

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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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