204CHAPTER 21 38.(a)18 turns (b)3.6 W 40.(a)Fewer turns (b)25 mA (c)20 turns 42.(a)29.0 kW (b)0.580% (c)The maximum power that can be input to the line at 4.50 kV is far less than 5.00 MW, and it is all lost in the transmission line. 44.82.99810 m s×46.80% 48.263.7410W×50.11.0 m 52.Radio listeners hear the news 8.4 ms before the studio audience because radio waves
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