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

Specific resistance of a wire depends upon

Question # 2

If the length of the conductor is double and its cross sectional area is halved, its conductance will

Question # 3

Physicist George Simon ohm was a

Question # 4

The fractional change in resistance per kelvin is known as

Question # 5

The electric potential at the surface of an atomic nucleus (Z = 50) of radius 9.0 x 10-15 is

Question # 6

If the distance of separation between two chares is increased, the electrical potential energy of the system will

Question # 7

One coulomb per second is equal to

Question # 8

A capacitor of capacity 1μF is charged to 1 KV. The energy stored in J

Question # 9

In bringing an electron towards another electron, electrostatic potential energy of system

Question # 10

The electric lines of force are

Question # 11

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 # 12

The electrode connected with the positive terminal of the current source is called

Question # 13

A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, then

Question # 14

At ordinary temperature, an increase in temperature increases the conductivity of

Question # 15

The relation between charge 'Q' and current 'I' is given by

Question # 16

The thermistors are usually made of

Question # 17

Ohm is the unit of

Question # 18

The statement "the electric force of repulsion or attraction between two point charges is directly proportional to the product of the charges and inversely proportional to square of the distance between them" refer to

Question # 19

If the resistance of 2 ohm and 4 ohm are connected in parallel, the equivalent resistance will be

Question # 20

Ohm's law states that

Question # 21

Two conductors having the same type of charges are connected by a conducting wire. There would not be any amount of charges on them if

Question # 22

The energy stored in a charge capacitor

Question # 23

Calculate the amount of charge flowing in 2 minutes in a wire of resistance 10Ωwhen a potential difference of 20 V is applied between its ends

Question # 24

For two resistance wires joined in parallel, the resultant resistance is 6/5 ohm. When one of the resistance wire breaks, the effective resistance becomes 2 ohm. The resistance of the broken wire is

Question # 25

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

Question # 26

Taking the earth to be a spherical conductor of diameter 12.8 x 103km. Its capacity will be

Question # 27

In RC series circuit the time during which the capacitor acquires 0.63 times the equilibrium charge is called

Question # 28

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

Question # 29

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

Question # 30

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

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 medium of dielectric constant 'K' is introduced between the plates of parallel plate condenser. As a result its capcitance
A. Increase k time
B. Decreases k times
C. Decreases 1/K times
D. Remains unchanged
2 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
3 A certain charge liberates 0.8 g of oxygen. The same charge will liberate. how many g of silver?
A. 108 g
B. 10.8 g
C. 0.8 g
D. 108/0.8 g
4 In RC series circuit the time during which the capacitor acquires 0.63 times the equilibrium charge is called
A. Time constant
B. Decay constant
C. None of these
D. All of above
5 Two point charges A and B separated by a distance R attract each other with a force of 12 x 10-3N. The force between A and B when the charges on them are doubled and distance is halved
A. 1.92 N
B. 19.2 N
C. 12 N
D. 0.192 N
6 The conventional current in a circuit is defined as " current which passes from a point at higher potential to a point at lower potential as if it represent a movement of
A. negative charges
B. positive charges
C. protons
D. electrons
7 Three resistors of resistance 2,3 and 6 ohms are connected in parallel, their equivalent resistance is
A. 11.0 ohm
B. 1.0 ohm
C. 7.0 ohm
D. 3.0 ohm
8 A car battery has e.m.f 12 volt and internal resistance 5 x 10-2ohm. If it draws 60 ampere current, the terminal voltage of the battery will be
A. 5 volt
B. 3 volt
C. 15 volt
D. 9 volt
9 If the length of the conductor is double and its cross sectional area is halved, its conductance will
A. Increase four fold
B. Become one-fourth
C. Become one-half
D. Remains unchanged
10 The charge carriers in gases are
A. electrons
B. ions
C. protons
D. ions and electrons

Test Questions

Is this page helpful?