(1)P出 =(UI)输,所以:I输 = P出/U输 = 10kw/2kv = 5A
(2)P损 = (I输)^2 * r = 0.5kw,所以:r = 500w/(5A)^2 = 20Ω
(3)P前 = P后,所以 U前 = P前/I前 = P后/I输 = 9.5kw/5A = 1.9kv
(1)P出 =(UI)输,所以:I输 = P出/U输 = 10kw/2kv = 5A
(2)P损 = (I输)^2 * r = 0.5kw,所以:r = 500w/(5A)^2 = 20Ω
(3)P前 = P后,所以 U前 = P前/I前 = P后/I输 = 9.5kw/5A = 1.9kv