Can we extract electrical energy from em wave and use it?
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yes we can transfer it
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huh?? I suppose you are asking how to transfer electricity through EM waves..
In that case, yes. They are already doing it. Though I cant give you any link.
If you are asking about harvesting electricity from EM spectrum.. know that visible light, IR comes under EM spectrum and there are photocells.. In fact, all of them radiations in EM spectrum are.. We achieve signal reception by 'separating' Electricity from EM.. for a long time..
In that case, yes. They are already doing it. Though I cant give you any link.
If you are asking about harvesting electricity from EM spectrum.. know that visible light, IR comes under EM spectrum and there are photocells.. In fact, all of them radiations in EM spectrum are.. We achieve signal reception by 'separating' Electricity from EM.. for a long time..
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