A.达到稳定状态时,金属板M的电势较高北 |
B.由金属板和海水流动所构成的电源的电动势,内电阻 |
C.若用此发电装置给一电阻为的航标灯供电,则在8h内航标灯所消耗的电能约为 |
D.若磁流体发电机对外供电的电流恒为I,则时间内磁流体发电机内部有电量为正、负离子偏转到极板 |
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