Physics ECAT Pre Engineering Chapter 12 Electrostatics

MCQ's Test For Physics ECAT Pre Engineering Chapter 12 Electrostatics

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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

Physics ECAT Pre Engineering Chapter 12 Electrostatics

00:00
Question # 1

If a 40 watt light bulb burns for 2 hours. how much heat is generated

Question # 2

In case of a parallel plate capacitor if the plate separation is doubled and plate area is halved, the capacitance becomes

Question # 3

Current provided by a battery is maximum when

Question # 4

The electric field due to an infinite long thin wire at a distance R varies as

Question # 5

A certain charge liberates 0.8 g of oxygen. The same charge will liberate. how many g of silver?

Question # 6

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

Question # 7

A closed surface contains two equal and opposite charges. The net electric flux from the surface will be

Question # 8

The graphical representation of ohm's law is

Question # 9

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

Question # 10

Which of the following does not obey ohm's law?

Question # 11

An electric charge at rest is

Question # 12

A heater coil rated at (1000 W - 200 V) is connected to 110 volt line. What will be the power consumed?

Question # 13

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

Question # 14

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

Question # 15

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 # 16

Resistance of a conductor is increased, the currant will

Question # 17

If one volt is needed to cause a current of one ampere to flow in a conductor, its resistance is

Question # 18

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 # 19

The relation between the charge Q of a parallel plate capacitor and the P.D between its plates is

Question # 20

Magnetic effect at a point caused due to flow a current depend upon the

Question # 21

Ohm established a relation between

Question # 22

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

Question # 23

The concept of field theory was put forward by

Question # 24

An electric dipole is at the centre of a hollow sphere of radius r. The total normal electric flux through the sphere is (here Q is the charge and d is the distance between the two charges of the dipole)

Question # 25

Electron volt is the unit of

Question # 26

The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10-19N, is

Question # 27

A condenser of capacity 50μF is charged to 10 V.The energy stored is

Question # 28

The current through a metallic conductor is due to the motion of

Question # 29

In a voltmeter the conduction takes place due to

Question # 30

In a building, there are 15 bulbs of 40 watts, 5 bulbs of 100 watts, 5 fans of 80 watts and a heater of 1 kilowatt. The voltage of the electric main is 220 volts. The minimum efficiency of the main fuse of the building will be

Submit

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


Topic Test

00:00
Submit

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

  • M
    Mehreen Ather 02 - Dec - 2024 30 Min 19 Sec 90/120
  • S
    Salvaa Sheikh 13 - Sep - 2024 24 Min 16 Sec 85/120
  • S
    Sualeh Murtaza 15 - Nov - 2024 05 Min 29 Sec 80/120
  • N
    Nitalaya Hassan 23 - Dec - 2024 06 Min 15 Sec 80/120
  • F
    Fatima Anis 26 - Dec - 2024 13 Min 35 Sec 80/120
  • A
    Abdullah Zubair 25 - Dec - 2024 14 Min 30 Sec 80/120
  • H
    Hanook Masih 25 - Sep - 2024 12 Min 15 Sec 75/120
  • U
    usman gujjar 02 - Dec - 2024 07 Min 03 Sec 70/120
  • H
    hussain naqvi 19 - Sep - 2024 18 Min 43 Sec 65/120
  • H
    Humera Noor 27 - Dec - 2024 19 Min 28 Sec 65/120
  • S
    suzi 10 - Feb - 2026 08 Min 22 Sec 64/120
  • Z
    Zaka Ullah 09 - Nov - 2024 07 Min 20 Sec 60/120
  • A
    Abdulrehman Haroon 26 - Sep - 2024 28 Min 20 Sec 60/120
  • 1
    123 Abcd 07 - Nov - 2024 12 Min 46 Sec 55/120
  • A
    Abdul rafay Malghani 02 - Dec - 2024 14 Min 25 Sec 55/120

ECAT Physics Chapter 12 Important MCQ's

Sr.# Question Answer
1 The liquid which conduct current is known as
A. heating effect
B. chemical energy
C. electrolyte
D. ohm's law
2 When an electron is accelerated through a P.D. of an one volt, it will acquire energy equal to
A. One joule
B. One erg
C. One electron volt
D. None of these
3 The current through a metallic conductor is due to the motion of
A. protons
B. neutrons
C. electrons
D. free electrons
4 The fractional change in resistance per kelvin is known as
A. temperature coefficient
B. resistance coefficient
C. super temperature
D. critical temperature
5 In Pakistan electricity is supplied for domestic use at 220 V, it is supplied at 110 V in USA. If the resistance of a 60 W bulb for use in Pakistan is R, the resistance of a 60 W bulb for use in USA will be
A. 2 R
B. R/4
C. R/2
D. R
6 The SI unit of electric field intensity is
A. CN-1
B. NC-1or Vm-1
C. JC-1
D. AV-1
7 A conducting wire is drawn to double its length. Final resistivity of the material will be
A. Double of the original one
B. Half of the original one
C. One fourth of the original one
D. Same as original one
8 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
A. 120 C
B. 240 C
C. 20 C
D. 4 C
9 If 2.2 kilowatt power is transmitted through 1 10 ohm line at 22000 volt, the power loss in the form of heat will be
A. 0.1 watt
B. 1 watt
C. 10 watt
D. 100 watt
10 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)
A. 2
B. 1
C. 0.5
D. 1.5

Test Questions

Is this page helpful?