(a(i))[2]
State how the galvanometer reading changes with time.
(a(ii))[2]
Explain why the pole at L must be an N-pole.
(b(i))[2]
Determine the turns ratio $N_p/N_s$ for this transformer.
(b(ii))[1]
Underline the component that the rectification circuit has to include: AND gate, diode, NOT gate, potentiometer, thermistor.