List I | List II | ||
---|---|---|---|
A. | Laser | 1. | Emits monochromatic light of low intensity |
B. | Solar cell | 2. | Consumes electrical power due to incident light |
C. | Photodiode | 3. | Delivers power to a load |
D. | LED | 4. | Emits monochromatic light of high intensity |
Hence donor impurity can donate electrons.
Reason (R): A DIAC can conduct in both directions.
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