Answer to Question #121517 in Electric Circuits for Aisha lawal

Question

Assuming 100% efficient energy conversion, how much water stored behind a 50 cm high hydroelectric dam would be required to charge the battery?
Expert's answer

Answer 1

Let us assume that we have V litres of water at height 50 cm then the potential energy stored by the water will be used in the conversion

Potential energy $=mgh=V\times10\times0.5=5V$