[问答题]
If a wire of resistance R is stretched uniformly snkr.u27cey ;wj)+kvf o x 7n+z:b x.vk dxku6m0d3m )csj/x3 hfthat its length doubles, by what factor does the power dissipated in the wire change, assuming it remains hooked up to the same voltage sourcxjv6xx ch7 /:+bzdu33xfs dkk. m )n0me?
