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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

Two long, parallel wires, each with a mass per unit length of 0.040 kg/m, are supported in a horizontal plane by 6.0-cm-long strings, as shown in Figure P19.72. Each wire carries the same current I, causing the wires to repel each other so that the angle θ between the supporting strings is 16°. (a) Are the currents in the same or opposite directions? (b) Determine the magnitude of each current.

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a)

To determine
Whether the current in the two wires are in same or opposite direction.

Explanation

Given info: The mass per unit length of the two wires is 0.040kgm-1 . The length of the string by which the wires are suspended is 6.0cm . The magnitude of the current in both the wires is same. The angle between the suspending string is 16°

b)

To determine
The magnitude of the current in the wires.

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