ECAT Pre Computer Science Chapter 12 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 12 Electrostatics

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

  • Total Questions15

  • Time Allowed20

Start Test Download PDF

ECAT Physics Chapter 12 Electrostatics

00:00
Question # 1

The electric lines of force are

Question # 2

The unit of intensity of electric field is

Question # 3

Potentiometer is more sensitive than voltmeter, because

Question # 4

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 # 5

The graphical representation of ohm's law is

Question # 6

At any point on the right bisector of the line joining two equal and opposite charges

Question # 7

The concept of field theory was put forward by

Question # 8

The nature of capacity of electrostatic capacitor depends on

Question # 9

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

Question # 10

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 # 11

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

Question # 12

One coulomb per second is equal to

Question # 13

The SI unit of electric field intensity is

Question # 14

In a voltmeter the conduction takes place due to

Question # 15

The resistance of an incandescent lamp is

Submit

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


Topic Test

00:00
Submit

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

  • A
    Anayat Ali 04 - Apr - 2024 01 Min 07 Sec 60/60
  • A
    Abdullah 07 - Mar - 2024 08 Min 13 Sec 60/60
  • A
    Alishba Farooq 08 - Mar - 2024 16 Min 42 Sec 55/60
  • A
    Abdullah Baloch 28 - Jul - 2024 00 Min 21 Sec 50/60
  • I
    iqra ashfaq 02 - Mar - 2024 00 Min 10 Sec 40/60
  • M
    Malik Mureed Awan 02 - Dec - 2024 01 Min 58 Sec 40/60
  • M
    mashal zainab 11 - Mar - 2024 05 Min 58 Sec 40/60
  • I
    Inamurehman rehmanbajwa 27 - May - 2024 10 Min 39 Sec 40/60
  • S
    sweet home 17 - Dec - 2024 15 Min 50 Sec 40/60
  • H
    hamid shoukat 25 - Nov - 2025 16 Min 32 Sec 36/60
  • L
    Lozina Jalil 29 - Aug - 2024 03 Min 13 Sec 35/60
  • S
    Salvaa Sheikh 20 - Sep - 2024 03 Min 21 Sec 35/60
  • S
    Sohaib Ali 13 - Oct - 2024 04 Min 38 Sec 35/60
  • H
    hareema gull 27 - May - 2024 06 Min 28 Sec 35/60
  • M
    Muhammad Abdur.Rahman Khan 01 - Sep - 2024 07 Min 03 Sec 35/60

ECAT Physics Chapter 12 Important MCQ's

Sr.# Question Answer
1 A 60 W bulb operates on 220 V supply. The current flowing through the bulb is
A. 11/3 A
B. 3 A
C. 3/11 A
D. 6
2 If electric and gravitational force on an electron in a uniform electric field will be
A. E=mg/q
B. E=q/mg
C. E=,g/q
D. E=qg/m
3 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
4 The current through a metallic conductor is due to the motion of
A. protons
B. neutrons
C. electrons
D. free electrons
5 An electric charge at rest is
A. Only an electric field
B. Only a magnetic field
C. Both electric and magnetic fields
D. None of the above
6 Electron volt is the unit of.
A. Potential difference
B. Energy
C. Resistance
D. Capacitance
7 The liquid which conduct current is known as
A. heating effect
B. chemical energy
C. electrolyte
D. ohm's law
8 Ohm established a relation between
A. voltage and resistance
B. voltage and charge
C. voltage and current
D. voltage resistance and charge
9 A hollow insulated conduction sphere is given a positive charge of 10μC. What will be the electric field at the centre of the sphere if its radius is 2 meters?
A. Zero
B. 5μC m-2
C. 20μC m-2
D. 8μC m-2
10 When a dielectric material is introduced between the plates of a charged condenser the electric field between the plates
A. Decreases
B. Increases
C. No change
D. May increase or decresase

Test Questions

Is this page helpful?