ECAT Pre Engineering Physics Chapter 12 MCQ Test With Answer

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 2.2 kilowatt power is transmitted through 1 10 ohm line at 22000 volt, the power loss in the form of heat will be

Question # 2

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

Question # 3

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

Question # 4

If a charged spherical conductor of radius 10 cm has potential V at a point distance 5 cm from its centre, then the potential at a point distance 15 cm from the centre will be

Question # 5

One coulomb per second is equal to

Question # 6

Potentiometer is more sensitive than voltmeter, because

Question # 7

Thermocouple is an arrangement of two different metals

Question # 8

The electric intensity outside the two oppositely charged parallel metal plates is

Question # 9

Specific resistance of a wire depends upon

Question # 10

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 # 11

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 # 12

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 # 13

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

Question # 14

The capacity of a parallel plat capacitor depends on the

Question # 15

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

Question # 16

One joule is equal to

Question # 17

The graphical representation of ohm's law is

Question # 18

The colour sequence in a carbon resistor in red, brown, orange and silver. The resistance of the resistor is

Question # 19

Three resistance 500,500 and 50 ohms are connected in series across 555 volts mains. The current flowing through them will be

Question # 20

A charge of 0.1 c accelerated through a potential difference of 1000V acquires kinetic energy

Question # 21

Which one of the following causes production of heat when current is set up in a wire?

Question # 22

Free electrons are

Question # 23

Physicist George Simon ohm was a

Question # 24

Solar cell converts sunlight directly into

Question # 25

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 # 26

Coulomb's force between two point charges depends upon

Question # 27

The unit of intensity of electric field is

Question # 28

Current provided by a battery is maximum when

Question # 29

In a charged capacitor the energy is stored in

Question # 30

Which one of the following has larger value of relative permitivity Erat room temperature?

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
  • T
    Talha Khalil 18 - Jun - 2026 10 Min 55 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
  • C
    Ch Ubaid Ullah 06 - Mar - 2026 17 Min 40 Sec 80/120
  • A
    Ahmad Sufyan 05 - May - 2026 18 Min 20 Sec 80/120
  • H
    Hanook Masih 25 - Sep - 2024 12 Min 15 Sec 75/120
  • F
    Furqan Asif 26 - Mar - 2026 36 Min 02 Sec 72/120
  • U
    usman gujjar 02 - Dec - 2024 07 Min 03 Sec 70/120
  • T
    Taha 18 - Mar - 2026 17 Min 17 Sec 68/120
  • H
    hussain naqvi 19 - Sep - 2024 18 Min 43 Sec 65/120
  • H
    Humera Noor 27 - Dec - 2024 19 Min 28 Sec 65/120

ECAT Physics Chapter 12 Important MCQ's

Sr.# Question Answer
1 A parallel plate capacitor is first charged and then a dielectric slab is introduced between the plates. The quantity that remains unchanged is
A. Charge Q
B. Potential V
C. Capacity
D. Energy U
2 The SI unit of electric field intensity is
A. CN-1
B. NC-1or Vm-1
C. JC-1
D. AV-1
3 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
A. 3.9
B. 4
C. 4.2
D. 6
4 If we plot graph between potential difference (V) and current (I) obeying ohm's law, it will give us
A. parabola
B. straight line
C. hyper bola
D. ellipse
5 The ohm's is defined as
A. 1 ampere / 1 volts
B. 1 coulomb / 1 volt
C. 1 volt / 1 ampere
D. 1 volt / 1 coulomb
6 An electron of charge e coulomb passes through a potential difference of V volts its energy in joules will be
A. V/e
B. eV
C. e/V
D. V
7 Physicist George Simon ohm was a
A. German physical
B. French physicist
C. Chinese physicist
D. Russian physicist
8 A cube of metal is given a positive charge Q. For the above system, which of the following statements is true?
A. Electric potential at the surface of the cube is zero
B. Electric potential within the cube is zero
C. Electric filed is normal to the surface of the cube
D. Electric filed varies within the cube
9 The SI unit of permitivity is
A. Nm2C2
B. N-1m-2C2
C. NmC2
D. Nm2C-1
10 Specific resistance of a wire depends upon
A. Length
B. Cross-section area
C. Mass
D. None

Test Questions