In the above diagram, there are three capacitors P
with their respective distinct dielectric materials. The dielectric constant and the thickness of the dielectric material for P
are \((2\kappa, d), (\kappa, 2d)\) and \((3\kappa, 3d),\) respectively. Let \(C_P,\) \(C_Q\) and \(C_R\) denote the electric capacities of the three capacitors, respectively, then what is the ratio \(C_P:C_Q:C_R?\)
The plate areas of the three capacitors are the same.