[单选题]
A circuit of a cell of electromotive force (emf.ikedf3rn: j e8 dhf, hj302vh1s2gy v+rc d6 s ;rtip aj9-x8+mpp(wd) $18.0\,VE and negligible internal resistance connected to three resistors of resistance $6.0\,Ω$
The ammeter is ideal. What is the reading of the ammeter?