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12th Chapter

12th Class Physics Chapter 12 Test

Here you can prepare 12th Class Physics Chapter 12 Electrostatics Test. Click the button for 100% free full practice test.

2nd Year Physics Chapter 12 Online MCQ Test for 12th Class Physics Chapter 12 (Electrostatics)

This online test contains MCQs about following topics:

- Coulomb's Law
- Fields of Force
- Electric Field Lines
- Applications of Electrostatics
- Electric Flux
- Electric Flux Through a Surface Enclosing a Charge
- Gauss's Law
- Applications of Gauss's Law
- Electric Potential
- lectron Volt
- Electric and Gravitational Forces (A Comparison)
- Charge on an Electron by Millikan's Method
- Capacitor
- Capacitance of a Parallel Plate Capacitor
- Electric Polarization of Dielectrics
- Energy Stored in a Capacitor
- Charging and Discharging a Capacitor

Ics Part 2 Physics Chapter 12 Test
ic

2nd Year Physics Chapter 12 Online MCQ Test for 12th Class Physics Chapter 12 (Electrostatics)

Sr. # Questions Answers Choice
1 Which material should be inserted between the plates of a capacitor in order to increase its capacitance.
  • A. Copper
  • B. Mica
  • C. Iron
  • D. Tin
2 Selenium is a
  • A. Insulator
  • B. Photoconductor
  • C. Conductor
  • D. First insulator then conductor
3 The number of lines per unit area passing perpendicular through an area is called
  • A. Flux
  • B. Electric intensity
  • C. Both (a) , (b)
  • D. None of these
4 the force between two charge is 28 N. If paraffin wax of relative permittivity 2.8 is introduced between the charges as medium, then the force reduces to.
  • A. 25 N
  • B. 20 N
  • C. 10 N
  • D. 15 N
5 If the medium between the charges is not free space then electrostatic force will.be
  • A. Increase
  • B. Decrease
  • C. Remain same
  • D. None of these
6 If F1 and F2 are teh magnetic forces acting on a particle and electron respectively when moving perpendicular to the magnetic field then.
  • A. F1=F2
  • B. F1>F2
  • C. F1<F2
  • D. F1 = 4F2
7 Flux through any closed surface is:
  • A. 1/ε<sup>2</sup><sub>∘</sub> times the total charge enclosed in it
  • B. ε<sup>2</sup><sub>∘</sub> time the total charge enclosed in it
  • C. 1/ε<sub>∘</sub> ties the total charge enclosed in ti
  • D. ε<sub>∘</sub> time the total charge enclosed in it
8 Metals are good conductors of electricity because they have
  • A. Large number of bounded electrons
  • B. Small number of electrons
  • C. Large number of free electrons
  • D. Small number of free electrons
9 Two opposite point charge of same magnitude separated by distance 2d, electric potential mid way between them is.
  • A. 1 V
  • B. 2 V
  • C. Zero
  • D. V/2
10 The electric intensity at infinite distance from the point charge is
  • A. Infinite
  • B. Zero
  • C. Positive
  • D. Negative

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    Iftikhar

    26 Sep 2020

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    23 Dec 2018

    I got 16/17 in 1 mint and 26 seconds it is very helpful

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