A homeowner plans to install solar panels on the roof of their house to supply their daily electricity needs.
The table below gives the specifications and energy values for one day:
| Feature | Value |
|---|---|
| Area of one solar panel | 1.5 m21.5\text{ m}^21.5 m2 |
| Area of roof that can be used | 30 m230\text{ m}^230 m2 |
| Maximum daily energy output of one solar panel | 18 kWh18\text{ kWh}18 kWh |
| Daily energy needed by all appliances in the house | 324 kWh324\text{ kWh}324 kWh |
Explain whether the energy needed by all the appliances can be generated using only these solar panels. Use calculations from the table and your knowledge of solar electricity to support your answer.
39 exam-style questions on OCR GCSE Physics Powering Earth. Each one has a worked solution and a mark scheme showing where the marks go.