CBSE · Class 10 · Science · Chapter 11

Electricity

Learn about electric current, potential difference, resistance, circuit combinations, power and electrical energy.

9 lessons 60 min
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Lessons in this chapter

  1. 1Electric Current and CircuitElectric current gets charges moving, because even electrons dislike standing in a queue.
  2. 2Electric Potential and Potential DifferencePotential difference gives charges the push they need to stop being couch potatoes.
  3. 3Circuit DiagramCircuit diagrams turn a jungle of wires into a map even electrons can follow.
  4. 4Ohm’s LawOhm’s law keeps voltage, current, and resistance in a surprisingly tidy relationship.
  5. 5Factors on Which the Resistance of a Conductor DependsResistance depends on the conductor, proving that size, material, and temperature all matter.
  6. 6Resistance of a System of ResistorsResistors cooperate in series and parallel, though they never agree on how to share the load.
  7. 7Heating Effect of Electric CurrentElectric current can bring the heat, sometimes usefully and sometimes a little too enthusiastically.
  8. 8Electric PowerElectric power measures how quickly appliances turn electrical energy into useful work and warm bills.
  9. 9Chapter Summary and PracticeThe chapter review reconnects every electrical idea without causing a short circuit in your memory.
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