Why solar cell can't produce current when they receive fluorescent light?
I discover that solar cell powered calculator can only work when there's presence of sun light but not fluorescent light, why? Fluorescent light is also light, why can't it produce current? And can solar cell work properly when they receive light from fire?
Not all light is the same. The cells will only work with a certain wavelength, or range of wavelengths, of light. Sunlight contains most visible, and some invisible light, whereas fluorescent lights do not; your fluorescent lights clearly don't produce the wavelength of light needed to get power from your solar cell, but the fire (or some other artifical light source) might, so try it.
How does one make a solar cell from scratch?
No copper based or online bought solar cells please.
How does one build a solar cell say...enough to power a whole house?
You can't, a solar cell is based on the same technology used to make semiconductors and that isn't the sort of thing you are going to be able to do is you kitchen.
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