K 72 Activity 3. Critical Thinking Directions: Explain each of the situations below. (5 points each) 1. If a magnet is pushed in a coil, an electromotive force (voltage) is induced across the coil. If the same magnet is pushed into the width coil twice the number of loops, what do you think will happen to the induced emf? 2. If the polarity of the magnet is reversed from north pole to south pole, and brought near a coil, what happens to the direction of the induced current? Why?

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