The unit of current, the ampere, is defined in terms of the force between currents. Two...
| The unit of current, the ampere, is defined in terms of the
force between currents. Two 1.0-meter-long sections of very long
wires a distance 4.0 m apart each carry a current of 1.0 A.
You may want to review (Pages 784 - 787) . |
Part A What is the force between them? (If the force between two actual wires has this value, the current is defined to be exactly 1 A.) Express your answer with the appropriate units.
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Homework Answers
force between the wires
F = ( io/ 4pi) 2 i^2 L/ r
F = 10^-7* 2* 1^2* 1 / 4
F = 5* 10^-8 N
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