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A wire has a resistance of 60.0 ohms, and is bent into a square loop with sides of length 15.0 cm. The loop is perpendicular to a magnetic field which is changing at a rate of 4.000e-3 T/s. What is the current induced in the wire?
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How are chemical and physical changes different. What are some demonstrations that you might do to help your students differentiate between a chemical and physical change?
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