CBSE Class 12-science Physics Semiconductor Electronics
- Three photodiodes D1, D2 and D3 are made of semiconductors having band gaps of 2.5 eV, 2 eV and 3 eV respectively. which of them will not able to detect light of wavelength 600 NM
- Please draw V-I characteristics of LED.
- Half wave rectifier
- why photodiode should be connected in reverse bias and not in forward bias?
- What is a zener diode? why is it also known as breakdown diode.Name one application of Zener diode.
- Name two materials used in constructing solar cell.Give 2 uses of solar cell?
- Distinguish between photo current and dark current.
- What is the most common use of photodiode?
- The output of an unregulated d.c power is to be regulated. Name the device that can be used for this purpose and draw the relevant circuit diagram.
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