Four electric motors are used to lift loads.
The table shows the work done by each motor and the time taken.
| Motor | Work done by motor (J\text{J}J) | Time taken (s\text{s}s) |
|---|---|---|
| A | 80 00080\,00080000 | 40 |
| B | 120 000120\,000120000 | 20 |
| C | 80 00080\,00080000 | 20 |
| D | 120 000120\,000120000 | 40 |
Which motor produces the most power?
Motor A
Motor B
Motor C
Motor D
95 exam-style questions on CIE IGCSE Physics 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.