Energy stores, transfers and conservation · 9 left
Quick drill · instant marking
Try it free — the AI marks 3 answers a day.
A free account marks 30 a day.Sign up free →
What fraction of the energy supplied ends up as light, and how do you turn that into a percentage?
The diagram shows the energy transfers in an electric lamp. Calculate the percentage of the energy transferred electrically to the lamp that is transferred as light. Give your answer as a percentage.
[2 marks]
Guided Hint
— no answers, just a nudge
Thinking...
Worked solution
That's the full method. Now try one like it yourself.