(1)洗衣机洗衣时的电流I 洗衣=
P 洗衣
U =
330W
220V =1.5A;
(2)脱水时的电流I 脱水=
P 脱水
U =
300W
220V ≈1.36A;
(3)洗衣用时0.5h,脱水用时0.1h,
洗衣机消耗的电能W=P 洗衣t 1+P 脱水t 2=0.33kW×0.5h+0.3kW×0.1h=0.195kW•h.
故答案为:1.5;1.36;0.195.
(1)洗衣机洗衣时的电流I 洗衣=
P 洗衣
U =
330W
220V =1.5A;
(2)脱水时的电流I 脱水=
P 脱水
U =
300W
220V ≈1.36A;
(3)洗衣用时0.5h,脱水用时0.1h,
洗衣机消耗的电能W=P 洗衣t 1+P 脱水t 2=0.33kW×0.5h+0.3kW×0.1h=0.195kW•h.
故答案为:1.5;1.36;0.195.