(a(i))[1]
In the space below, sketch the symbol of a NOR gate.
(a(ii))[2]
Fill in the truth table for a NOR gate.
(b(i))[2]
State the names of component X and component Y.
(b(ii))[3]
State and explain what happens in the circuit as the fuel temperature rises to a value above $T_w$.
(c)[2]
Predict what happens in this circuit. Suggest a possible use for the circuit.