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Magnetism 4

Magnetism 4. Electricity and Magnetism Related. Hans Christian Oersted. Discovered that an electric current causes a magnetic field. How? Connected a series circuit and turned on the power. A nearby compass moved!. This Proved there was an electromagnetism link.

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Magnetism 4

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  1. Magnetism 4 Electricity and Magnetism Related

  2. Hans Christian Oersted Discovered that an electric current causes a magnetic field How? Connected a series circuit and turned on the power. A nearby compass moved! This Proved there was an electromagnetism link

  3. Michael Faraday Discovered that a magnetic field causes an electrical current. How? Moved a wire through the magnetic field of a strong magnet. Found that an electric current was produced in the wire.

  4. Electromagnet Temporary magnet made by wrapping a current carrying wire around an iron core. More coils = ____________ More power More current = ____________ More power

  5. Galvanometer Moving coil electric current detector. The amount of deflection of a needle attached to the coil is proportional to the current passing through the coil.

  6. Galvanometer The accuracy of moving coil meters is dependent upon.…. Having a uniform and constant magnetic field

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