1. | Zener voltage remains constant at breakdown. |
2. | It is designed to operate under reverse bias. |
3. | Depletion region formed is very wide. |
4. | P and N regions of Zener diode are heavily doped. |
Statement-I: | In an ac circuit, the current through a capacitor leads the voltage across it. |
Statement-II: | \(\pi.\) | In ac circuits containing pure capacitance only, the phase difference between the current and the voltage is
1. | Both Statement-I and Statement-II are correct. |
2. | Both Statement-I and Statement-II are incorrect. |
3. | Statement-I is correct but Statement-II is incorrect. |
4. | Statement-I is incorrect but Statement-II is correct. |
1. | \(10^{-1}~\text{T}\) | 2. | \(10^{-2}~\text T\) |
3. | \(10^{2}~\text T\) | 4. | \(10^{-3}~\text{T}\) |
1. | primary rainbow is due to double internal reflection and is formed above the secondary one. |
2. | primary rainbow is due to double internal reflection and is formed below the secondary one. |
3. | secondary rainbow is due to double internal reflection and is formed above the primary one. |
4. | secondary rainbow is due to a single internal reflection and is formed above the primary one. |
1. | \(2\) eV | 2. | \(2\) V |
3. | \(1.1\) V | 4. | \(6.4\) V |