Solution

Question\n\nIs the filament resistance lower or higher in a $500\mathrm{W}\text{-}220\mathrm{V}$ light bulb than in a $100\mathrm{W}\text{-}220\mathrm{V}$ bulb?\n\nContent coming soon. Write the full solution here, or use the part files (p-i.mdx, p-ii.mdx, …) for each part.