Answer to Question #99006 in Electric Circuits for Yusuf Idris

Question

Calculate the electric field intensity of a p-n whose voltage as thusat x = 300m as V(x) = 350x^2 - 50x + 70

Answer 1

Calculate the electric field intensity at x=300 m:

$$E=\frac{dV}{dx}=700x-50=209950\text{ V/m}.$$