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RL 电路中,电流增长为 I(t) = (V/R)(1 - \e^(-Rt/L)) 。对 V = 12 V,,H:(a) 时间常数?(b) ?(c) 何时 终值的 90%?
RL 电路中,电流增长为 I(t) = (V/R)(1 - \e^(-Rt/L)) 。对 V = 12 V,,H:(a) 时间常数?(b) ?(c) 何时 终值的 90%?
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