Ch 13 Physics Class 10

• Derivation and definition of electrostatics
• Definition of electric charge with symbol unit and quantity.
• Types of electric charges
• Properties of electric charges
• Definition of source charge
• Definition of test charge
• Definition of electric force
• Existence and nature of electric charges
• Definition of atom and also explain it
• Definition of electrification and its Types
• Definition of electrostatic Induction with its example
• Derivation and definition of electroscope with its Construction, Principle and Working.
• Testing the nature of change
• History, purpose and statement of Coulomb's Law also write its Mathematical form.
• Differentiate between gravitational force and electric force.
• Definition of electric field and also write its quantity
• Definition of electric field intensity: Symbol, Mathematical form, Unit and Quantity.
• Write history weapon definition of electric lines of force.
• Properties of electric lines of force
• Geometrical representation of electric lines of force
• Definition of electric potential with its symbol, mathematical form, quantity, and unit.
• Definition of Volt.
• Practical applications of electrostatics
• Dangers of static charge or Hazards of electrostatics.
• Definition of capacitor and also requires its symbol construction and charging of a capacitor.
• Definition of capacitance of capacitor with its symbol, mathematical form.
• Factors of capacitance and also write unit of capacitance of capacitor.
• Definition of farad
• Definition of combination of capacitors
• Characteristics feature of series combination of capacitors.
• Definition of Parallel combination of capacitors
• Characteristics features of parallel combination of capacitors.
• Types of capacitors.
• Definition of fixed capacitor  with example and also write its symbol.
• Definition of variable capacitor with example and also write its symbol.
• Normally objects with a large number of electrons are electrically neutral. why?
• How does a shuffling across a carpet causes high hair to stand on our body?
• Why neutral objects are always attracted by charged objects? Not repelled.
• Why the pieces of paper initially attracted by the charged comb fly away when they touch it?
• Is it necessary for a charged body actually to touch the ball of the electroscope for leaves to diverge? Defend your answer.
• How electrostatic painting is better than conventional spray painting?
• Why are lightening the rods normally at a higher elevation than the buildings they protect?
• What would happen if two insulating plates were used instead of conducting plates to construct a capacitor?
• The sum of the charge on both plates of a capacitor is zero. What does a capacitor Store?
• If you wish to store a large amount of energy in a capacitor bank, would you connect capacitors in series or parallel? Explain.
• Solved Numerical of Electrostatics Ch 13 Physics Class 10 in KPK Boards
• Determine the magnitude of the electric force on the electron of hydrogen atom exerted by the single proton that is the atom's nucleus. Assume the average distance between the electron and the proton is r = 5.3 x 10¹¹m and charge on electrons and proton is 1.6 x 10^-19 С.
• Α 5 μC point charge is placed 20 cm from a 10 µC point charge. (a) Calculate the force experienced by the 5 µC charge. (b) What is the force on the 10 µC charge? (c) What is the field strength 20 cm from the 10 µC point charge?
• In a certain region of space, a uniform electric field has a magnitude of 4.60 × 10 N/C and points in the positive x-direction. Find the magnitude and direction of the force this field exerts on a charge of (a) +2.80 µC (b) 9.30 μC.
• The potential difference between two points is 110 V. When an unknown charge is moved between these two points, the work done is 550 J. What is the amount of charge?
• The capacitance of a capacitor is 3200 pF. If the potential difference between its plates is 220 V. What is the charge on each of its plates?
• Three capacitors of capacitance 1µF, 2 µF and 3 µF are connected in series to a 110 V battery. Calculate the equivalent capacitance and voltage across each capacitor.
• Two capacitors of capacitance 2pF and 3 pF are connected in parallel to a 9 V battery. Calculate the equivalent capacitance and the charge on each capacitor.