Suppose, one wishes to construct a 1.0 farad capacitor using circular discs….

Q: Suppose, one wishes to construct a 1.0 farad capacitor using circular discs. If the separation between the discs be kept at 1.0 mm, the radius of the discs would be

(a) 7 km

(b) 2 km

(c) 6 km

(d) 3 km

Ans: (c)