Physics, 13.11.2019 01:31 jujudad0ll
Assume this 1.20-mm-radius copper wire is electrically neutral in the earth reference frame, in which it is at rest and carrying a current. calculate the linear charge density λ′ of the copper wire in a reference frame moving along with the electrons if the electrons are moving at 5.20 ×10−4m/s .
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