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Forums
Physics
Classical Physics
Electromagnetism
Can infrared photons also eject electrons in 'photoelectric effect'?
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[QUOTE="royp, post: 6418396, member: 261943"] Many thanks for your reply, [URL='https://www.physicsforums.com/members/davee.644223/']DaveE[/URL]. I read the reply in my email but did not see in this thread. In this connection, I would like to ask something related. I had a chat recently with a friend. They need to use a large fan (15 Kw motor) for circulation/cooling purposes and curious to know whether utilising waste heat generated at his work (industry) can help. [I]They use a large furnace to generate heat[/I]. I believe, the current/voltage produced with two junctions semiconductor device by Seebeck effect is [B]minimal[/B]. As the heat generated in my friend's place is huge, is it possible to use many small similar devices each producing a small voltage; then using a [B]step-up transformer[/B] (or something similar) to accumulate significant voltage to run the fan (15 Kw)? Is it feasible? Thanks in advance [/QUOTE]
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Forums
Physics
Classical Physics
Electromagnetism
Can infrared photons also eject electrons in 'photoelectric effect'?
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