You will receive two coils on plastic spools, a U shape iron core, a straight iron core, two magnetic needles with stands, and a pair of wires. Students can use these materials to build bar and U shape electromagnets with a 6 V battery or DC power supply, and determine the magnitude and polarity of electromagnetic forces. Includes instructions. The kit comes in a 5″ x 5″ x 1 1/2″ plastic case. Weight: 7 oz.
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