1. | \(4v\) | 2. | \(8v\) |
3. | \(v\) | 4. | \(2v\) |
1. | \(8~\text{mA}\) | 2. | \(4~\text{mA}\) |
3. | \(0.4~\text{A}\) | 4. | \(4~\text{A}\) |
1. | light-emitting diode | 2. | zener-diode |
3. | photodiode | 4. | solar cell |
1. | both \(q\) and \(V\) |
2. | the geometry of the capacitor |
3. | \(q\) only |
4. | \(V\) only |