9453.00 10 V1.115 10 A2.69 10ViR−−−×===××Ω. Therefore, in 3.00 ms, the amount of charge drifting through a cross section is 437(1.115 10 A)(3.00 10s)3.35 10 CQit−−−∆=∆=××=×. 27. First we find the resistance of the copper wire to be
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