[单选题]
A circuit of a cell of ei(im g/qkr2hnd16 b 0i)yil*jz,apa3lectromb iuz3g- 2k8qiotive 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?