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* It depends on how it is travelling. * * An electromagnetic wave, e.g a radio wave would travel about 7,000 feet * * Electricity travelling down a cable would travel at the speed of light multiplied by the velocity factor of the cable. In an averagely good co-axial cable with a velocity factor of 0.8 electricity would travel approximately 5600 feet in 7 microseconds.

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16y ago

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