The magnetic field 10 cm from a wire carrying a 1 A current is 2 μT. What is the field 4 cm from the wire? Express your answer with the appropriate units.

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https://drive.google.com/file/d/1U4mjOrMgyk2Yerylb9xWxFwbn16_tb7b/view?usp=sharing

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https://helpinhomework.org/blog/how-to-obtain-answer-through-googledrive-link