Contemporary Electronics Fundamentals, Devices, Circuits, and Systems 1st Edition by Louis Frenzel

Exercise 4

In Probs. 4.1 to 4.4, solve for the current, I , when V and R are known. As a visual aid, it may be helpful to insert the values of V and R into Fig. 4-8 when solving for I.
If one branch of a 120-V power line is protected by a 20-A fuse, will the fuse carry an 8- load