The effect is called the Lenz Effect. The moving magnet causes small magnetic fields, called eddy currents, to form in the metal (brass, aluminum foil/tube ...). These eddy currents have their own magnetic field (all electrical currents do). This is what is interacting with the moving magnet.
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Where to Get a Victorias Secret Coupon. Victorias Secret promo codes for discounts arenât all that common, simply because the lingerie store almost always has a great sale going on. However, you may occasionally find Victorias Secret discount codes for a percentage off any item.