已知R1＝R2＝R3＝R4＝R5＝1Ω,求RAB

已知R1＝R2＝R3＝R4＝R5＝1Ω,求RAB
已知R1＝R2＝R3＝R4＝R5＝1Ω,求RAB
 

已知R1＝R2＝R3＝R4＝R5＝1Ω,求RAB
RAB=R5∥(R1+R2∥(R3+R4))
=1∥(1+1∥2)
=1∥(1+2/3)
=5/3÷(1+5/3)
=5/8Ω
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