O-LevelPhysicsEnergy & Work5054/11 · May/June 2021 · Q141 Mark

Some solar panels have a total area of 12 m². Each 1.0 m² of the panels receives 0.85 kJ of energy from the Sun in 1.0 s. The efficiency of the panels is 16%. How much power do they produce?

A1.6 kW

B2.2 kW

C64 kW

D160 kW

✓ Correct answer

A: 1.6 kW

Oracle Prep sorts past-paper questions by topic, so you can drill Energy & Work and see which topics are most likely to come up next.

Topic: Energy & Work, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2021 Paper 1 Variant 1, question 14.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

The diagram represents parts of a power station. What is the order of the energy changes taking place?

A crane lifts a weight of 1000 N through a vertical height of 30 m. It uses 60 000 J of energy. What is the efficienc…

A ball is held at rest on one side of a curved track. The ball is released. It rolls down one side of the track and p…

The diagrams show a small compass close to a strong bar magnet. Which diagram shows the correct compass direction?

A positively-charged rod is held close to, but not touching, an isolated metal sphere. Which diagram shows the charge…

A lightning flash carries 40 C of charge and lasts for 5.0 ms. What is the average current in the flash?