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 battery of emf 24V and internal resistance 4Ω is…The resistance of a 40W car headlamp; drawing…Three resistors with resistance 200Ω, 500Ω and 1kΩ…A platinum resistance thermometer has a resistance…A cell of e.m.f. 1.5V is connected in series with a…