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Questions on Energy Transitions

Q14. The photos below show the boxes for two household appliances: a small electric hot plate ring and a games console.

(a) What is the power rating of each of the appliances?

(2 marks)

(b) Calculate how many units of electricity (kWh) are used if the hot plate ring is switched on for two hours to cook a stew.

(3 marks)

(c) Calculate how much it costs to cook the stew if electricity costs 11p per unit.

(2 marks)

(d) Playing on a Games Console is great fun. Calculate the maximum annual costs for your parents in electricity if you play on the playstation for an average of 2 hours and 30 minutes every day. (Assume it is not a leap year).

(3 marks)

(Total 10 marks)