| 无磁场 | 较弱磁场 | 较强磁场 | 强磁场 |
U/V | 6.0 | 6.0 | 6.0 | 6.0 |
I/A | 0.40 | 0.36 | 0.30 | 0.24 |
(2)磁敏电在强弱不同的磁场中时,电压表和电流表的示数如图表所示,则在无磁场的环境中,磁敏电阻的阻值为
(3)实验中,在无磁场和强磁场中测量磁敏电阻的阻值时滑动变阻器接入电路的电阻阻值相差5Ω,则电源电压为
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