1. | 2. | ||
3. | 4. |
1. | |
2. | |
3. | |
4. |
1. | Zener voltage remains constant at the breakdown. |
2. | It is designed to operate under reverse bias. |
3. | The depletion region formed is very wide. |
4. | and regions of the Zener diode are heavily doped. |
1. | 2. | ||
3. | 4. |
Statement I: | In an AC circuit, the current through a capacitor leads the voltage across it. |
Statement II: | 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. | 2. | ||
3. | 4. |
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. |