collect information about 5 experiment done by Faraday
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Bar magnet,Insulated copper wire,Galvanometer (sensitive current-measuring device),Cardboard paper towel or toilet paper tube
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Explanation:
One of Faraday's 1831 experiments demonstrating induction. The liquid battery (right) sends an electric current through the small coil (A). When it is moved in or out of the large coil (B), its magnetic field induces a momentary voltage in the coil, which is detected by the galvanometer (G).
he hypothesized that a changing magnetic field is necessary to induce a current in a nearby circuit. To test his hypothesis he made a coil by wrapping a paper cylinder with wire.
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