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2. You have an 800-turn coil and you would like to build a transformer to reduce the 120 V voltage from the wall socket into

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2. You have an 800-turn coil and you would like to build a transformer to reduce the 120 V voltage from the wall socket into 6 V so that you can power your walkman. How many turns must the secondary have? 3. In the above question, if the current in the primary is 20 a, what is the current in the secondary

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