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

An eV is unit of:

Question # 2

An inkjet printer uses in its operation:

Question # 3

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

Question # 4

The best conductor is:

Question # 5

In gases, the charge carriers are:

Question # 6

Kirchhoff's first rule is also called:

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

In a metal, the valence electrons are:

Question # 12

Thermistors are prepared under

Question # 13

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

Question # 14

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

Question # 15

The current that flows through the coil of a motor causes

Question # 16

In case of metallic conductors, the charge carriers are

Question # 17

In case of metallic conductors, the charge carriers are

Question # 18

Tick the correct statement:

Question # 19

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

Question # 20

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

Question # 21

The third band of the colour code:

Question # 22

Xerography means:

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

A thermistor is a resistor which is:

Question # 27

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

Question # 28

In case of metallic conductors, the change carries are:

Question # 29

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

Question # 30

As the current flows through the wire

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The earth’s potential and potential at infinity are taken:
A.

Equal

B.

Zero

C.

First is greater than the second

D.

Second is greater than the first
2 SI unit of current describes the flow of charge at the rate of
A. One ampere per second
B. One coulomb per second
C. One electron per second
D. 6.25 x 1018electrons per second
3

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)
4 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
5 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
6 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
7 The strength of magnetic field at certain points around a wire depends upon:
A.

Value of current passing

B.

Distance from the current element

C.

Color of the material

D.

Both (A) and (B)
8 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum
9 In gases, the charge carries 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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