在图所示的电路中,
=9∠30°V,Zin=(3+j4)W,要使可变负载ZL获得最大功率,则ZL=( )Ω,此时最大功率PLmax=( )W。
发布时间:2025-12-07
A.3-4j,6.75
B.3+4j,6.75
C.6+8j,13.5
D.6-8j,13.5
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