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Who made the first solar cell?

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Who made the first solar cell?

(a) Gerald Pearson

(b) Tim Bell

(c) Tim Cook

(d) Nicola Tesla

I got this question in my homework.

This intriguing question comes from Solar Powered Pump Drives in portion Solar and Battery Powered Drives of Electric Drives

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The correct option is (a) Gerald Pearson

To elaborate: The first solar cell was made by Gerald Pearson in 1954 in Bell laboratories. It was a lithium-silicon photovoltaic cell.

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