Physics, 06.08.2019 04:20 madams4450
Two long, straight, parallel wires separated by a distance of 20 cm carry currents of 30 a and 40 a in opposite directions. what is the magnitude of the resulting magnetic field at a point that is 15 cm from the wire carrying the 30-a current and 25 cm from the other wire?
Answers: 2
=30 A
40 A
![I_A,B_1=[tex]10^{-7}\times \frac{2\times 30}{0.15}=4\times 10^{-5}](/tpl/images/0172/1073/e9a28.png)
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Two long, straight, parallel wires separated by a distance of 20 cm carry currents of 30 a and 40 a...
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