Explain in detail how Galen, a physician during the Middle Ages, expanded on Hippocrates’ theory of the four humors and explain what he believed each humor represented.

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.