What is the total electric flux due to these two point charges through a spherical surface centered at the origin and with radius
r
2
= 1.55 m?

A10nc charge sits at a point in space where the magnitude of the electric field is 1500 n/c. what will the magnitude of the field be if the 10 nc charge is replaced by a 20 nc charge? assume the system is big enough to consider the charges as small test charges.