ECAT Pre General Science Physics Chapter 12 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 12 Electrostatics

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 12 Electrostatics

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Pre General Science Physics Chapter 12 Electrostatics

00:00
Question # 1

In a Milikian's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is

Question # 2

The potential difference across each resistance in series combination is

Question # 3

A cube of metal is given a positive charge Q. For the above system, which of the following statements is true?

Question # 4

If two bulbs one of 60 W and other of 100 W are connected in parallel, then which one of the following will flow more?

Question # 5

The electric field intensity at a point due to a point charge

Question # 6

The force of repulsion between two point charges is F, when these are at a distance 0.1 m apart. Now the point charges are replaced by sphere of radii 5 cm each having the same charge as that of the respective point charges. The distance between their centre is again kept 0.1 m ; then the force of repulsion will

Question # 7

A metal plate of thickness half the separation between the capacitor plates of capacitance C is inserted. The new capacitance is

Question # 8

The potential difference across the conductors should be maintained constant by connecting the ends of wire to the terminal of a device called a source of

Question # 9

The electric flux from a closed surface

Question # 10

One joule is equal to

Question # 11

The capacity of a parallel plat capacitor depends on the

Question # 12

The force between two chares 0.06 m apart is 5 N. If each charge is moved towards the other by 0.01 m, then the force between them will become

Question # 13

106electrons are moving through a wire per second, the current developed is

Question # 14

A 60 W bulb operates on 220 V supply. The current flowing through the bulb is

Question # 15

The substances whose resistance decreases with the increase in temperature these substances have coefficient of

Question # 16

Coulomb force, when any material medium is placed between two charges

Question # 17

The nature of capacity of electrostatic capacitor depends on

Question # 18

The electric lines of force are

Question # 19

The dot product of electric field intensity E and vector area A is called

Question # 20

A one microfarad capacitor of a TV is subjected to 4000 V potential difference. The energy stored in capacitor is

Question # 21

The conductivity of a superconductor is

Question # 22

Ohm is the unit of

Question # 23

An alpha particle is accelerated through a potential difference of 106volt. Its kinetic energy will be

Question # 24

If the two charges in Coulomb's law have double distance between them, then electric force

Question # 25

Cause of heat production in a current carrying conductor is

Question # 26

The charge carriers in gases are

Question # 27

The SI unit of electric field intensity is

Question # 28

A proton is about 1840 times heavier than an electron. When it is accelerated by a potential difference of 1 KV, its kinetic energy will be

Question # 29

Equal charges are given to two spheres of different radii. The potential will

Question # 30

A point charge A of charge +4μC and another B of charge -1μC are placed in air at a distance 1 m apart. Then the distance of the point on the line joining the charge B, where the resultant electric field is zero, is (in m)

Submit

Prepare Complete Set Wise ECAT Pre General Science Physics Chapter 12 Electrostatics MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Pre General Science Physics Chapter 12 Electrostatics MCQ`s Test

  • V
    Viral Edits 27 - May - 2024 13 Min 50 Sec 65/120
  • T
    Tamseela Ehsan 04 - Sep - 2023 13 Min 56 Sec 50/120
  • K
    Khurram 29 - Jan - 2019 16 Min 26 Sec 50/120
  • W
    Waleed Ahmed 25 - Feb - 2023 22 Min 39 Sec 45/120
  • I
    Inzmam Rajper 16 - Jun - 2022 10 Min 50 Sec 40/120
  • S
    Saba 18 - Feb - 2019 15 Min 57 Sec 30/120
  • A
    Arsalan Ahmad 16 - Jul - 2024 11 Min 36 Sec 20/120
  • A
    Ali 31 - May - 2023 07 Min 17 Sec 10/120
  • A
    Abc 14 - Aug - 2021 00 Min 29 Sec 0/120
  • A
    Aulakh Brand 06 - Feb - 2022 03 Min 17 Sec 0/120
  • A
    Abdul Jabbar 17 - Apr - 2018 03 Min 18 Sec 0/120

ECAT Physics Chapter 12 Important MCQ's

Sr.# Question Answer
1 A point charge Q is placed at the mid-point of a line joining two charges. 4q and q. if the net force on charge q is zero. then Q must be equal to
A. -q
B. +q
C. -2q
D. +4q
2 The electric intensity at infinite distance from the point charge will be
A. Infinite
B. Positive
C. Zero
D. Negative
3 Electron volt is the unit of
A. Potential difference
B. Energy
C. Resistance
D. Capacitance
4 The resistivity of a substance depends upon the
A. length
B. mass
C. area
D. temperature
5 In bringing an electron towards another electron, electrostatic potential energy of system
A. Decreases
B. Increases
C. Remains uncharged
D. Becomes zero
6 The electric field intensity at a point due to a point charge
A. Falls off inversely as the distance
B. Falls off inversely as the square of distance
C. Remains unchanged with distance
D. Increase directly as square of distance
7 The SI unit of capacitance is
A. Farad
B. Henry
C. Ohm
D. Volt
8 The SI unit of current is
A. watt
B. coulomb
C. volt
D. ampere
9 Some charge is being given to a conductor. Then its potential
A. Is maximum at surface
B. Is maximum at centre
C. Is remain same throughout the conductor
D. Is maximum somewhere between surface and centre
10 A metal plate of thickness half the separation between the capacitor plates of capacitance C is inserted. The new capacitance is
A. C
B. C/2
C. Zero
D. 2C

Test Questions

Is this page helpful?