[填空题]
The conductance G of an object i6(4nbd xr2cufs defined aya t,ahlfnj: )/xgr s52-9nj)xv u1sms the reciprocal of the resistance R; t)jr- )n /a9m:2stvn 5x ul1sgh,fajxy hat is, $G\,=\,1/R$. The unit of conductance is a mho $(=ohm^{-1})$, which is also called the siemens (S). What is the conductance (in siemens) of an object that draws 730 mA of current at 3.0 V? S