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Oersted's Apparatus, 75mm Needle with Stand

Oersted’s Law Apparatus. Examine Magnetic Effect of Electric current flowing in a wire. 15 cm long permanent magnetic needle rotates freely inside an Aluminium frame. Current can flow over or under the needle in either direction. With a sturdy base, needle mounted on sensitive agate bearing and binding posts.
SKU: EM1463-01
POA

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