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Measuring electric current
1 ampere is the current in two very long parallel wires 1 m apart that gives rise to a magnetic force per unit length of 2 x 10-7 N/m.
Rights: The University of Waikato Te Whare Wānanga o Waikato
Published: 20 December 2016,Updated: 20 December 2016Size: 52.35 KB
