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

Gaussian surface is always:

Question # 2

The magnitude of chemical Effects depends upon:

Question # 3

The third band of the colour code:

Question # 4

The fourth band is a:

Question # 5

The example/s of non-electrical energy to electrical is/are:

Question # 6

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

Question # 7

An electric field is generated along the wire when:

Question # 8

A rheostat can e used:

Question # 9

In a metal, the valence electrons are:

Question # 10

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

Question # 11

The surface destiny of charge is defined is:

Question # 12

An example of photoconductor is:

Question # 13

Most practical applications of electricity involve

Question # 14

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

Question # 15

A field free region is found:

Question # 16

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

Question # 17

Aluminum is a:

Question # 18

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

Question # 19

The quantity having the same unit as that of emf is:

Question # 20

Electric flux is:

Question # 21

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

Question # 22

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

Question # 23

An ideal voltmeter has:

Question # 24

The flux through a closed surface depends upon:

Question # 25

A thermistor is a resistor which is:

Question # 26

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

Question # 27

The free electrons in metals:

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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)
2 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum
3

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:
A.

Circle

B.

Rectangle

C.

Sphere

D.

Box
4 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
5

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
6 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
7 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
8 An eV is unit of:
A.

Potential

B.

Energy

C.

Work

D.

Power
9 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
10 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule

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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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