18 SECTION C – Module P2 8
(a) James has a canal boat. The boat has electrical appliances that run off batteries. James uses a wind turbine to recharge the batteries.
Write down one advantage and one disadvantage of using a wind turbine on this boat. advantage ................................................................................................................................. ................................................................................................................................................... disadvantage ............................................................................................................................ ................................................................................................................................................... [2] (b) In a small scale power station, 40% of the energy supplied is converted into useful electrical energy. useful electrical energy
energy in
wasted energy Š OCR 2013