Question

Two long, parallel wires, each with a mass per unit length of 78 g/m, are supported in a horizontal plane by 6.0-cm-long strings, as shown in the figure below. Each wire carries the same current I, causing the wires to repel each other so that the angle ? between the supporting strings is 16°. y 6.0 cm ? z x (a) Are the currents in the same or opposite directions? same direction opposite direction not enough information to decide (b) Determine the magnitude of each current. A

          Two long, parallel wires, each with a mass per unit length of 78 g/m, are supported in a horizontal plane by 6.0-cm-long strings, as shown in the figure below. Each wire carries the same current I, causing the wires to repel each other so that the angle ? between the supporting strings is 16°.
y
6.0 cm
?
z
x
(a) Are the currents in the same or opposite directions?
same direction
opposite direction
not enough information to decide
(b) Determine the magnitude of each current.
A

Two long, parallel wires, each with a mass per unit length of 78 g/m, are supported in a horizontal plane by 6.0-cm-long strings, as shown in the figure below. Each wire carries the same current I, causing the wires to repel each other so that the angle ? between the supporting strings is 16°.
y
6.0 cm
?
z
x
(a) Are the currents in the same or opposite directions?
same direction
opposite direction
not enough information to decide
(b) Determine the magnitude of each current.
A

Added by Kevin P.

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