For demonstrating the relationship between magnetism and magnetic effect of electric current ﬂowing in a wire. Comprised of a permanent magnetic needle, 15cm, free to rotate at the center of an aluminium frame suitably connected to permit current to ﬂow over or under the needle in either direction.
Cash in Advance (CID), Cash Advance (CA)
500 Piece Per Day
Main Export Market(s)
Africa, Middle East, Western Europe, Eastern Europe, South America, North America, Central America, Australia, Asia