The fundamental frequency of a plucked wire under a tension of 400N is 250Hz. When the frequency is changed to 500 Hz at constant length, the tension is by Sunday | Nov 11 | Physics JAMB | 0 comments A. 1600N B. 400N C. 160N D. 40N Correct Answer: Option A = 1600N Users Also Read These:A wire of cross-sectional area 0.60mm2 has a…A constantan wire has a cross-sectional area of 4 x…A wire of 5Ω resistance is drawn out so that its new…A wire of length 400cm is stretched between two…An electric pressing iron is connected to the mains…