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 number of field lines passing through unit area held perpendicular to the field lines represent:

Question # 2

Heating effect of current utilized in:

Question # 3

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

Question # 4

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

Question # 5

Kirchhoff's first rule is also called:

Question # 6

A field free region is found:

Question # 7

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

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

Question # 10

In case of metallic conductors, the change carries are:

Question # 11

An inkjet printer uses in its operation:

Question # 12

The obvious effect/s of current is/are:

Question # 13

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

Question # 14

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:

Question # 15

The device which can convert heat energy into electrical energy is called:

Question # 16

The free electrons in metals:

Question # 17

Most practical application of electricity involve

Question # 18

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

Question # 19

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

Question # 20

Another mean of electric potential energy per unit charge is given by:

Question # 21

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

Question # 22

An important part of inkjet printer is:

Question # 23

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

Question # 24

Electric field lines emerge from the charge in:

Question # 25

An example of photoconductor is:

Question # 26

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

Question # 27

The fourth band is a:

Question # 28

The emf is measured in:

Question # 29

Gaussian surface is always:

Question # 30

An ideal voltmeter has:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

In case of metallic conductors, the change carries are:
A.

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
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 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
4

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
5 The value of relative permittivity of different dielectrics are:
A.

Equal

B.

Different

C.

Greater than one

D.

Smaller than one
6 The positive charge moving in one direction is equivalent in all external affects to a:
A.

Negative charge is moving in the same direction

B.

Positive charge is moving in the opposite direction

C.

Negative charge moving in the opposite direction

D.

Positive charges moving in the same direction
7 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
8 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
9

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
10 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten

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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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