(a(i))[2]
Define the capacitance of a parallel plate capacitor in terms of charge stored and potential difference.
(a(ii))[3]
State three roles of capacitors in electrical circuits.
(b)[2]
A student has four capacitors available, each with capacitance $24\,\mu\text{F}$. They are arranged as shown in Fig. 6.1. Calculate the total capacitance between terminals X and Y.