Advertisements
Advertisements
Question
What energy conversion takes place in a solar cell?
Advertisements
Solution
Solar/light energy to electrical energy.
APPEARS IN
RELATED QUESTIONS
Using the necessary circuit diagrams, show how the V-I characteristics of a p-n junction are obtained in
Forward biasing
How are these characteristics made use of in rectification?
Using the necessary circuit diagrams, show how the V-I characteristics of a p-n junction are obtained in
Reverse biasing
How are these characteristics made use of in rectification?
A p-n photodiode is fabricated from a semiconductor with band gap of 2.8 eV. Can it detect a wavelength of 6000 nm?
Describe, with the help of a circuit diagram, the working of a photodiode.
An ideal diode should pass a current freely in one direction and should stop it completely in the opposite direction. Which is closer to ideal-vacuum diode or a p-njunction diode?
Explain how a potential barrier is developed in a p-n junction diode.
Write the important considerations which are to be taken into account while fabricating a p-n junction diode to be used as a Light Emitting Diode (LED). What should be the order of band gap of an LED, if it is required to emit light in the visible range? Draw a circuit diagram and explain its action.
Explain photodiode.
For LED's to emit light in visible region of electromagnetic light, it should have energy band gap in the range of:
Consider the following statements A and B and identify the correct answer:

- For a solar-cell the I-V characteristics lies in the (IV) quadrant of the given graph.
- In a reverse biased p-n junction diode, the current measured in (μA), is due to majority charge carriers.
