Question

The radius of the drug is 10 cm in 12 cells of a dose (Chera) on the table.​

Answer 1

Since the charge at any point inside sphere is zero.

by Gauss law,E=0.

(b) Just outside, E=q/4πϵ

o

r

2

so, E=10

5

NC

−1

(c) q=1.6×10

−7

C

r=18 cm

E=q/4πϵ

o

r

2

E=4.4×10

4

NC

−1