A magnet is suspended next to a solenoid and is free to rotate. When current flows in the solenoid the magnet aligns so that the S pole faces the solenoid. What is the correct direction of the current in the solenoid, ? or ?? Briefly explain.
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A magnet is suspended next to a solenoid and is free to rotate. When current flows in the solenoid the magnet aligns so that the S pole faces the solenoid. What is the correct direction of the current in the solenoid, ? or ?? Briefly explain.
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