Electrical Energy and Power
Practice!
| Practice 5.4.1 |
|---|
Household appliances (in the US) all have  = 120 V. What is the approximate resistance of the filament (at operating temperature) of a 100 W lightbulb? |
| Practice 5.4.2 |
|---|
| US light bulbs are rated for 120 V. European bulbs are designed for 240 V. If you buy a 100 W light bulb as a souvenir in Paris, and plug it in at home, what happens? |
Physics Education Research at UNG 