(a)[3]
Complete the flow chart to show how a coal-fired power station works. Put the missing letters into the empty boxes.
(b)[2]
Give two environmental problems caused by coal-fired power stations.
(c(i))[1]
State the effect, if any, on the work done on each kilogram of coal when the motor speed is increased.
(c(ii))[1]
State the effect, if any, on the output power of the motor when the motor speed is increased.