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You want to use the idea of electromagnetic induction to make the bulb in your small...

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Physics

You want to use the idea of electromagnetic induction to makethe bulb in your small flashlight glow; it glows when the potentialdifference across it is 1.5 V. You have a small bar magnet and acoil with 100 turns, each with area 3.0

Answer & Explanation Solved by verified expert
3.8 Ratings (543 Votes)
Part AAccording to Faradays law voltage V generated in the ends ofa coil with N turns and area A each when the magnetic field Bchanges in time t is given byWe have Assuming sign to be negative sign in order to havereasonable values    See Answer
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