3.1 Capacitors

• explain terminologies associated with static charges
• determine the amount of force between charges
• describe types of capacitors with their respective applications
• illustrate charging and discharging of a capacitor
• determine capacitance of a capacitor and effective capacitance
• appreciate the application of capacitors

“What is the significance of capacitors in electrical appliances?”

The titles are open to everyone. Reading a lesson needs an account — sign in or create one.

1. Static charges and their terms
   40 min · 1 practice tasks · quiz
   Explain the terms associated with static charges.
2. Electric field patterns
   40 min · 1 practice tasks · quiz
   Draw and describe electric field patterns between charged particles.
3. Coulomb law
   40 min · 1 practice tasks · quiz
   Apply Coulomb law to find the force between charges.
4. Coulomb law calculations
   40 min · 1 practice tasks · quiz
   Solve problems on the force between charges.
5. What a capacitor is
   40 min · 1 practice tasks · quiz
   Explain what a capacitor is and define capacitance.
6. Types of capacitors
   40 min · 1 practice tasks · quiz
   Describe the types of capacitors and their applications.
7. Factors affecting capacitance
   40 min · 1 practice tasks · quiz
   Describe the factors that affect the capacitance of a parallel-plate capacitor.
8. Charging and discharging a capacitor
   40 min · 1 practice tasks · quiz
   Illustrate the charging and discharging of a capacitor with graphs.
9. Energy stored in a capacitor
   40 min · 1 practice tasks · quiz
   Determine the energy stored in a capacitor from its graphs and formula.
10. Capacitors in series
    40 min · 1 practice tasks · quiz
    Determine the effective capacitance of capacitors in series.
11. Capacitors in parallel
    40 min · 1 practice tasks · quiz
    Determine the effective capacitance of capacitors in parallel.
12. Applications of capacitors
    40 min · 1 practice tasks · quiz
    Describe the applications of capacitors and review the node.