Question

Find the length of the paper used in a capacitor of capacitance 2 µF if the dielectric constant of the paper is 2.5 and its width and thickness are 50 mm and 0.05 mm respectively.

Answer 1

Here C = 2 µF = 2 × 10^–6 F; K = 2.5; d = 0.05 mm = 0.05 × 10^–3 m