28. Magnetic Fields and Forces
Magnetic Force on Current-Carrying Wire
6:42 minutes
Problem 29a
Textbook Question
Textbook QuestionThe two 10-cm-long parallel wires in FIGURE EX29.33 are separated by 5.0 mm. For what value of the resistor R will the force between the two wires be 5.4 x 10⁻⁵ N?
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