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 cell of e.m.f. 1.5V and internal resistance of…A car fuse is marked 15A and operates normally on a…A battery of e.m.f 10V an internal resistance 2Ω is…A cell of e.m.f. 1.5V is connected in series with a…A battery of e.m.f. 12.0V and internal resistance…