Section outline

    • ⚡ Sources of Electricity

      Electricity powers robots — but where does it come from?

      • 🔋 Battery – Stores chemical energy (e.g., AA, 9V, button cells)
      • ☀️ Solar – Converts sunlight to electricity (used in solar robots)
      • 🔌 Wall Socket – Supplies power from the grid (used in homes/schools)
      • 🌬️ Wind/Water – Spins turbines for eco-friendly power
      • ⛽ Generator – Uses fuel (diesel/petrol) for backup electricity
      Source Use
      Battery Portable devices
      Solar Outdoor gadgets
      Socket Chargers, appliances
      Wind/Water Clean energy
      Generator Emergency backup