what is the speed of electricity during the resistance of copper . with calculation.
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Based on at least one source, the velocity factor for a piece of copper wire is about 0.951. Therefore, the speed of electricity in a 12-gauge copper wire is 299,792,458 meters per second x 0.951 or 285,102,627 meters per second. This is about 280,000,000 meters per second.
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