【单选题】把阻值为5Ω,5Ω,10Ω的三个电阻任意连接,得到的等效电阻的阻值( )
【单选题】把阻值为5Ω、5Ω、10Ω的三个电阻任意连接,得到的等效电阻的阻值( )
【简答题】Sports and s help to build up our bodies and c______ as well.
【单选题】Sports help to build character and ______ competitiveness.
【单选题】把阻值为5Ω,5Ω,10Ω的三个电阻任意连接,得到的等效电阻的阻值为( )。