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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
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?
Why is zener diode fabricated by heavily doping both p- and n-sides of the junction?
Explain the formation of depletion layer and potential barrier in a p−n junction.
Explain how a potential barrier is developed in a p-n junction diode.
Draw the V-I characteristics of an LED. State two advantages of LED lamps over convertional incandescent lamps.
Answer the following question.
Explain the three processes involved in solar cell working.
Name the device which converts the change in intensity of illumination to change in electric current flowing through it. Plot I-V characteristics of this device for different intensities. State any two applications of this device.
If the resistance R1 is increased (Figure), how will the readings of the ammeter and voltmeter change?
Why a photo-diode is operated in reverse bias whereas the current in the forward bias is much larger than that in the reverse bias? Explain. Mention its two uses.
