Is it correct to say that solar cell is neither forward nor reverse biased ? It is in unbiased condition ?

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Solution

Yes Solar cell is unbiased diode the current in it will be due to the electron hole formation after the light falls on it.

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Similar questions

Q. When a p-n junction is reverse-biased, the current becomes almost constant at 25 µA. When it is forward-biased at 200 mV, a current of 75 µA is obtained. Find the magnitude of diffusion current when the diode is
(a) unbiased,
(b) reverse-biased at 200 mV and
(c) forward-biased at 200 mV.

Q. When a p-n junction is reverse biased, the current becomes almost constant at

25 μ A

. When it is forward biased at

200 m e V

, a current of

75 μ A

is obtained. Find the magnitude of diffusion current when the diode is (a) unbiased (b) reverse-biased at

200 m V

and (c) forward-biased at

200 m V

Q. Why is the photodiode always operated under reverse bias conditions ? What would happen if it were to be operated under forward bias conditions ?

Q. Diffusion current in a p-n junction is greater than the drift current in magnitude
(a) if the junction is forward-biased
(b) if the junction is reverse-biased
(c) if the junction is unbiased
(d) in no case.

The potential barrier existing across an unbiased p-n junction is 0.2 volt. What minimum kinetic energy a hole should have to diffuse from the p-side to the n-side if (a) the junction is unbiased, (b) the junction is forward-biased at 0.1 volt and (c) the junction is reverse-biased at 0.1 volt?

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