(a(i))[1]
State the amount of wasted output energy.
(a(ii))[1]
The wasted energy is transferred into an energy store. State the energy store that gains energy from the wasted transfer.
(b)[4]
Calculate the electrical work done in the lamp circuit over this time.
(c)[3]
Describe three energy transfers that occur when energy from the Sun leads to electrical energy being produced by the wind turbine.