The Physics Question Bank

GCSE questions on the Physics of the Air Fryer

Answers to GCSE Physics Air Fryer Questions

GCSE Physics Questions on the Physics of the microwave oven

Answers to the Physics of a Microwave Oven

Physics of the Electric Kettle

Answers to the Physics of the Electric Kettle Questions

1. Electrical energy is transferred usefully into thermal energy in the water.
2. The element has resistance, so electrical energy is transferred as heat.
3. It transfers 3000 J of energy every second.
4. 90000 J
5. 330000 J
6. 2500 W
7. 13 A
8. 2530 W
9. Plastic is a poor conductor, so heat transfers through it slowly.
10. 168000 J
11. 428400 J
12. 120°C
13. 85%
14. a) 11.5 A b) 2645 W
15. a) 0.75 kWh b) 5.25 kWh
16. 157.5 p, or £1.58
17. a) 258300 J b) 287000 J c) 96 s