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प्रश्न
What energy conversion takes place in a solar cell?
उत्तर
Solar/light energy to electrical energy.
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संबंधित प्रश्न
The width of depletion region of p-n junction diode is _______.
(A) 0.5 nm to 1 nm
(B) 5 nm to 10 nm
(C) 50 nm to 500 nm
(D) 500 nm to 1000 nm
Describe, with the help of a circuit diagram, the working of a photodiode.
Draw V − I characteristics of a p-n junction diode. Answer the following questions, giving reasons:
(i) Why is the current under reverse bias almost independent of the applied potential up to a critical voltage?
(ii) Why does the reverse current show a sudden increase at the critical voltage?
Name any semiconductor device which operates under the reverse bias in the breakdown region.
Show the output waveforms (Y) for the following inputs A and B of (i) OR gate (ii) NAND gate ?
What is a solar cell?
Answer the following question.
Explain the three processes involved in solar cell working.
A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV. lt can detect a signal of wavelength ______.
In Figure, assuming the diodes to be ideal ______.
If the resistance R1 is increased (Figure), how will the readings of the ammeter and voltmeter change?
How can a photodiode be used to measure light intensity?
