Which of the following energy resources is classified as non-renewable?
AQA GCSE · Physics 8463
Energy transfers: Practice Questions
5 multiple-choice questions marked as you go, and 1 written questions with worked solutions. All on Energy transfers.
A battery transfers \(180\text{ C}\) of charge through a light bulb. If the potential difference across the bulb is \(12\text{ V}\), calculate the total energy transferred.
The National Grid uses step-up transformers to increase the potential difference to very high levels for transmission. Why does this improve the efficiency of the energy transfer?
In a closed system, which of the following statements correctly describes the principle of conservation of energy when the system undergoes a change?
A hairdryer is connected to the mains supply and draws a current of \(4.0\text{ A}\). If the resistance of the heating element is \(50\text{ }\Omega\), calculate the power of the hairdryer using the formula \(P = I^{2} R\).
Calculate the energy transferred by a \( 2.5\text{ kW} \) electric kettle when it is switched on for \( 60\text{ seconds} \).
Write your answer out first, then check it against the worked solution.
* The content provided by thinka is generated by AI and may not always be accurate or up-to-date. Please use it as a supplementary resource and verify with official materials.
You've seen the model answer. Now get yours marked.
This page can show you how a good answer looks. It cannot tell you what your answer was missing. thinka marks your written work against the real mark scheme in about 15 seconds.
Want more questions like these? Get a fresh set on this topic, graded as you go.
Practice More