电烤箱的电功率P=
U 2
R =
(220V ) 2
22Ω =2200W=2.2kW,
电烤箱工作t=30min=0.5h消耗的电能W=Pt=2.2kW×0.5h=1.1kW•h;
故答案为:2200;1.1.