cortroutes to the heid. Ste dagram below Note that the arge $f=-52$

a$)$ Determine the number of excess clectront on twheres $$

b$)$ Defermine tea net electroc foid of $p-$ at a sanaird angle of $$

c$)$ Deflermine the magn tude of the electic fold at a forl miduay bethren A asdit $($asd in lre wath them$)$