A copper wire has a resistance of 0.455 [I at 200C, and an iron wire has a resistance of 0.471 (1 at the same temperature. At what temperature are their resistances equal? The temperature coefficient of resistivity For copper is 3.90 x 10'3(C}'1 and for iron it is 5.00 x 10'3(C)'1. :ec A heart defibrillator passes 11.2 A through a patient's torso for 5.00 ms in an attempt to restore normal beating. (a) How much charge passed? _0.560 c (b) What voltage was applied if 511 J of energy was dissipated? 3:: How Is power related to voltage and current? kV (c) What was the path's resistance? :m (d) Find the temperature increase caused in the 8.00 kg of affected tissue. The specific heat of tissue is 3500 J/(kg - C). :Ic