防触电保护类别 | Ⅰ类 | 额定频率 | 50Hz |
总有效容积 | 258L | 输入总功率 | 140W |
冷冻室有效容积 | 67L | 额定耗电量 | |
冷冻保鲜室有效容积 | 26L | 冷冻能力 | 4kg/24h |
额定电压 | 220 | 外形尺寸深 |
(2)电冰箱的除霜功率100W,求除霜电阻的阻值是多少?
(3)电冰箱不断电工作一个月(30天)最低消耗多少度的电能?合多少焦耳?

同类型试题

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2


y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

