What is the magnitude of the electric field at a point 40.5 cm from an isolated 45.6 C point charge? O
a. 2.5 N/C O
b. 2.5 x 106 N/C Oc. 1.0 x 106 N/C O
d. 250 N/C O
e. 0.01 N/C Of. 3,5 x 10' N/C