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A circular loop of wire lies below a long wire carrying a current
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A circular loop of wire lies below a long wire carrying a current that is increasing as in Figure P20.17a. (a) What is the direction of the induced current in the loop, if any? (b) Now suppose the loop is next to the same wire as in P20.17b. What is the direction of the induced current in the loop, if any? Explain your answers.
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