[单选题]
A circuit of a cell of elecmw)fijky7p; f( (yefa ,;:iot*rqvt9trdb uz/l:o v74nkho lptpg++u4 p5j, h9omotive force (emf) $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?