An electric passenger ferry docks at a rapid charging pier to replenish its battery bank.
The pier's charging system provides an average current of 250 A at a potential difference of 800 V.
The ferry operator claims that 972 MJ of energy can be safely transferred to the onboard battery bank in less than 1.25 hours.
Comment on this claim.
Use this equation to support your answer:
t=EI×V t = \frac{E}{I \times V} t=I×VE31 exam-style questions on Edexcel GCSE Physics 10.3 Electrical energy and power. Each one has a worked solution and a mark scheme showing where the marks go.