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

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

Question # 2

The electric flux through any surface depends upon:

Question # 3

Which instrument is expensive and difficult to use?

Question # 4

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

Question # 5

An example of photoconductor is:

Question # 6

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

Question # 7

The obvious effect/s of current is/are:

Question # 8

Gaussian surface is always:

Question # 9

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

Question # 10

The fourth band is a:

Question # 11

Tick the correct statement:

Question # 12

The best conductor is:

Question # 13

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

Question # 14

An electric field is generated along the wire when:

Question # 15

A field free region is found:

Question # 16

Aluminum is a:

Question # 17

Electrolysis is the study of conduction of electricity through:

Question # 18

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

Question # 19

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

Question # 20

Thermistors are prepared under

Question # 21

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

Question # 22

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

Question # 23

The value of resistivity is the least for:

Question # 24

In gases, the charge carries are:

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

The term drift velocity is used when the ends of a wire are:

Question # 30

Electric flux is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
2 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
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

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

Decreasing from zero to maximum

B.

Increasing from zero to maximum

C.

Decreasing from maximum to zero

D.

Increasing from maximum to zero
5 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
6

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

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
7 The term drift velocity is used when the ends of a wire are:
A.

Connected to a laser source

B.

Connected to a voltage source

C.

Not connected to a voltage source

D.

At different values of potential
8 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
9 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
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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