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 2.552…A cell of e.m.f. 1.5V is connected in series with a…A car fuse is marked 15A and operates normally on a…A cell of e.m.f 12V and internal resistance 4Ω is…A resistor connected to a 12V battery draws a…