For investigating the interaction between magnetic fields and a current carrying wire.
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For investigating the interaction between magnetic ﬁelds and a current carrying wire. Includes both wide and narrow current balance wires. A copper wire formed into a rectangle with a discontinuity at one end and is balanced on a pair of metal fulcra. The ends are joined by a plastic sleeve through which a brass pointer is ﬁtted. Electrical connections are made via a 4mm socket in the end of each fulcrum.
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