====== Chapter 12: Electrostatics ====== {{ :fsc-pctb-12:notes:fsc-pctb-12-notes-ch12.jpg?nolink&600|Chapter 12: Electrostatics}} This is a twelve chapter of the book Physics 12 published by Punjab Curriculum and Textbook Board, Lahore, Pakistan. After studying this chapter, the students will be able to: * Understand and describe Coulomb's law. * Describe that a charge has a field of force around it. * Understand fields of like and unlike charges. * Appreciate the principle of inkjet printers and photostat copier as an application of electrostatic phenomena. * Explain the electric intensity in a free and in other media. * State and prove Gauss's law. * Appreciate the applications of Gauss's law. * Explain electric potential at a point in terms of work done in bringing a unit positive charge from infinity to that point. * Relate electric field strength and potential gradient. * Find expression for potential at a point due to a point charge. * Describe and derive the value of electric charge by Millikan's method. * Calculate the capacitance of parallel plate * Recognize the effect of dielectric on the capacitance of parallel plate capacitor. * Understand and describe electric polarization of dielectric. * Know the process of charging and discharging of a capacitor through a resistance and calculate the time constant. * Find energy expression of a charged capacitor. | **Theory**: |{{ :fsc-pctb-12:notes:fsc-pctb-12-theory-ch12.pdf |Download PDF}} | | **Question**: |{{ :fsc-pctb-12:notes:fsc-pctb-12-questions-ch12.pdf |Download PDF}} | | **Numerical**: |{{ :fsc-pctb-12:notes:fsc-pctb-12-numericals-ch12.pdf |Download PDF}} | {{tag>FSc FSc_Part2 PCTB Notes}}