Advertisements
Advertisements
Question
Draw the circuit diagram of an illuminated photodiode and its I-V characteristics.
Solution
Illuminated photodiode circuit:
I-V characteristics of photodiode:
APPEARS IN
RELATED QUESTIONS
How is a Zener diode fabricated?
If a small voltage is applied to a p-n junction diode, how will the barrier potential be affected when it is(ii) reveres biased?
With what considerations in view, a photodiode is fabricated? State its working with the help of a suitable diagram.
Even though the current in the forward bias is known to be more than in the reverse bias, yet the photodiode works in reverse bias. What is the reason?
State its any ‘two’ uses of photodiode.
Sunil and his parents were travelling to their village in their car. On the way his mother noticed some grey coloured panels installed on the roof of a low building. She enquired from Sunil what those panels were and Sunil told his mother that those were solar panels.
(a) What were the values displayed by Sunil and his mother? State one value for each.
(b) In what way would the use of solar panels prove to be very useful?
(c) Name the semiconductor device used in solar panels. Briefly explain with the help of a diagram, how this device works
Show the output waveforms (Y) for the following inputs A and B of (i) OR gate (ii) NAND gate ?
Explain how a potential barrier is developed in a p-n junction diode.
What is a solar cell?
Explain photodiode.
Briefly explain how emf is generated in a solar cell.