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

Question # 2

Selenium is:

Question # 3

Thermistors are prepared under

Question # 4

A field free region is found:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

As the current flows through the wire

Question # 10

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

Question # 11

Tick the correct statement:

Question # 12

The current that flows through the coil of a motor causes

Question # 13

When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:

Question # 14

The value of relative permittivity of different dielectrics are:

Question # 15

Aluminum is a:

Question # 16

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

Question # 17

In a metal, the valence electrons are:

Question # 18

Electric flux is:

Question # 19

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

Question # 20

A thermistor is a resistor which is:

Question # 21

An ideal voltmeter has:

Question # 22

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

Question # 23

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

Question # 24

The free electrons in metals:

Question # 25

The best conductor is:

Question # 26

An electric field is generated along the wire when:

Question # 27

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

Question # 28

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

Question # 29

Which of the following substances has got positive temperature coefficient of resistance?

Question # 30

Xerography means:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
2 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
3

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

One coulomb

B.

0.5 coulomb

C.

30 coulomb

D.

2 coulombs
4 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
5 A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s
A. One coulomb
B. 0.5 coulomb
C. 30 coulombs
D. 2 coulombs
6

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

Greater than the speed at which they pass from left to right

B.

Less than the speed at which they pass from left to right

C.

The same speed at which they pass from left to right

D.

Any of above
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 effects of bends in a wire on its electrical resistance are:
A.

Zero

B.

Much larger

C.

Larger

D.

Smaller
9 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
10 In a metal, the valence electrons are:
A.

Attach to individual atoms

B.

Not attached to individual atoms

C.

Free to move within the metal

D.

Both (A) and (C)

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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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