A car fuse marked 3A operates optimally on a 12V battery, calculate the resistance of the fuse. by Sunday | May 21 | Physics WAEC | 0 comments A. 36.0Ω B. 15.0Ω C. 9.0Ω D. 4.0Ω Correct Answer: Option D D. 4.0Ω Explanation R = v/I=12/3=4Ω Users Also Read These:A car fuse is marked 15A and operates normally on a…A resistance thermometer has a resistance of 20Ω at…A car battery rated 45 A H is charged with a charger…A cell of e.m.f. 1.5V is connected in series with a…A cell of e.m.f 12V and internal resistance 4Ω is…