Can you tell which household appliance uses more energy?
7.Keep in mind the basic principle: if it generates heat, it probably consumes more energy.
Correct Incorrect 7. We’re assuming you got this one correct, the kettle is notoriously expensive to run costing €0.20 for 15 minutes. If you’re working from home and using your laptop for gaming, it will cost an average of €0.11 for 7 hours of use.