Draw a sketch of the apparatus Michael Faraday used to generate electricity.

Solutions

Expert Solution

This is Michael Faraday’s generator. This apparatus consists of a tube of neutral material wound with a coil of wire, insulated in cotton, and a bar magnet.

Ten years after Faraday created the electric motor he returned to his electrical research and discovered electro-magnetic induction in August 1831. A few months later he successfully conducted an experiment using this apparatus and demonstrated the relationship between magnetism and motion.

Faraday connected his apparatus to a galvanometer (an instrument that detects electrical current) and discovered that when he passed the magnet back and forth through the coil of wire, which remained stationary, the needle of the galvanometer leapt into action registering a current flowing.

As the magnet moves the lines of magnetic force repeatedly intersect with the wire exciting the electrons in the wire and generating electrical current. So if you exchanged the galvanometer with a light bulb today you would see it light up.

Manojponduru answered 2 hours ago

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