RC、RL电路的时间常数τ分别等于( )。A.RC、R/L B.RC、L/R

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问题 RC、RL电路的时间常数τ分别等于( )。A.RC、R/LB.RC、L/RC.C/R、L/RD.C/R、R/L

选项 A.RC、R/L
B.RC、L/R
C.C/R、L/R
D.C/R、R/L

答案 B

解析
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