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By moving a stream of electrons, we have an Electric Current. Which is very useful and we can make 'electric light' out of the current flow.

Also we can generate a magnetic field with our current flow. Such as in 'electric motors'.

We can also use the charge on the electrons to charge up an insulated piece of material. Such as in a 'foil electrometer'.

Or in an 'electro static voltmeter', useful for very high voltages. These also respond to the RMS of a voltage.

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13y ago

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