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

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

Question # 2

In gases, the charge carries are:

Question # 3

As the current flow through the wire:

Question # 4

Heating effect of current utilized in:

Question # 5

Magnetic effect of current is used:

Question # 6

A field free region is found:

Question # 7

In a metal, the valence electrons are:

Question # 8

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

Question # 9

As the current flows through the wire

Question # 10

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

Question # 11

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

Question # 12

Tick the correct statement:

Question # 13

The magnitude of chemical Effects depends upon:

Question # 14

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

Question # 15

Which instrument is expensive and difficult to use?

Question # 16

An example of photoconductor is:

Question # 17

The surface destiny of charge is defined is:

Question # 18

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

Question # 19

Most practical applications of electricity involve

Question # 20

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 # 21

In case of metallic conductors, the charge carriers are

Question # 22

The current that flows through the coil of a motor causes

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

Electric field lines emerge from the charge in:

Question # 28

An ideal voltmeter has:

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The value of relative permittivity of different dielectrics are:
A.

Equal

B.

Different

C.

Greater than one

D.

Smaller than one
2

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

At rest

B.

At rest under the action of electric forces

C.

In motion under the action of electric forces

D.

In motion
3 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten
4 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
5 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
6 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
7 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)
8 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)
9 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
10

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity

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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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