Suppose you take a short piece of wire that is not attached to anything and move it up and down in a magnetic field. Explain whether or not a current will be induced, and why.
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No. Circuit should be closed. ... A changing magnetic field induces emf in a circuit which is placed in it.
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Answer: Sample Response: A current will not be induced because the wire is not part of a closed circuit. The electrical charges have no place to flow to.
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