Question a new cordless phone emits 29mw at 58 ghz the, Ask an Expert

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Question: A new cordless phone emits 2.9mW at 5.8 GHz. The manufacturer claims that the phone has a range of 100 feet.

Part A: If we assume that the wave spreads out evenly with no obstructions, what is the electric field strength at the base unit 100 feet from the phone?

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Category:- Physics
Reference No.:- M91231463

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