Ques in pic. Help pls.

Dear Student

A s w e k n o w R = \frac{ρ L}{A} L e a k a g e c u r r e n t I = \frac{V}{R} I = \frac{V A}{ρ L} N o w a s w e k n w o c a p a c i \tan c e C c a n b e w r i t t e n a s C = \frac{k ε_{o} A}{d} = \frac{k ε_{o} A}{l} (A s d i s d i s \tan c e b e t w e e n p l a t e s w h i c h w i l l b e e q u a l t o l e n g t h o f r e s i s t o r) \frac{A}{l} = \frac{C}{k ε_{o}} I = \frac{V}{ρ} \times \frac{C}{k ε_{o}} I = \frac{20 \times 10^{3}}{100 \times 10^{9}} \times \frac{4 \times 10^{- 9}}{6 \times 8.85 \times 10^{- 12}} I = 0.0150 \times 10^{- 3} A I = 15.0 \times 10^{- 6} A I = 15000 \times 10^{- 9} A I = 3 \times 5000 n A I = \frac{3}{0.0002} n A k = 0.0002

Regards