型号 | 额定电压 | 额定功率 | 功率调节范围 | 温度调节范围 | -效率 |
SK2105 | 220V | 2100W | 120W-2100W | 70℃-270℃ | ≥90% |
(1)在使用电磁炉时,锅体内能的增加是通过
(2)电磁炉以额定功率工作时的电流
(3)在1个标准大气压下,将一锅质量为3kg、温度为22℃的水烧开需要吸收多少热量?

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

