39. • In Exercise 38, suppose instead the case had been properly wired and grounded as shown in Figure 18.21.

(a) If the grounding wire had a resistance of 0.10 Ω, what is the ratio of the current in you to the current in the ground wire, assuming that the fuse/

circuit breaker does not “trip?”

(b) Show that there is enough current to “trip” it, thus reducing the current to zero (and probably saving you from injury).