Back to the full dot-point answer
WalesPhysicsQuick questions
Unit 1: Generating electricity and energy
Quick questions on Energy transfer and efficiency - WJEC GCSE Physics (1.3)
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
A kettle is 80% efficient and takes in . Calculate the useful energy. [2 marks]
What is q2?Show answer
State the most common form to which energy is wasted. [1 mark]
Have a question we have not covered?
This dot-point answer is short enough that we have not extracted many short questions yet. Read the full dot-point answer or ask Mo, our study assistant, in the chat for follow ups.