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Physics, 05.09.2019 04:10 ZaynabAta

Review conceptual example 7 as an aid in solving this problem. a portable electric heater uses 18 a of current. the manufacturer recommends that an extension cord attached to the heater receive no more than 2.0 w of power per meter of length. what is the smallest radius of copper wire that can be used in the extension cord? (note: an extension cord contains two wires.)

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