Bohr's model is sometimes called the what model bc it resembles a mini-solor system
a. atomic
b. nuclear
c. universal
d. planetary

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.