An electrical supply has a power output of $2.4\,\text{kW}$ when the potential difference (p.d.) is $240\,\text{V}$. The two wires linking the supply to a kettle each have a resistance of $0.50\,\Omega$, as shown. What power is delivered to the kettle, and what is the p.d. across the kettle?
Physics 9702 · AS & A Level · Practical circuits