line was as diagrammed in Fig. 1. Two long, parallel wires, each having a mass per unit length of 40.0 g/m, are supported in a horizontal plane by strings 6.00 cm long. When both wires carry the same current I, the wires repel each other so that the angle 0 between the supporting strings is 16.0°. (i) Are the currents in the same direction or in opposite directions? (i) Find the magnitude of the current.
line was as diagrammed in Fig. 1. Two long, parallel wires, each having a mass per unit length of 40.0 g/m, are supported in a horizontal plane by strings 6.00 cm long. When both wires carry the same current I, the wires repel each other so that the angle 0 between the supporting strings is 16.0°. (i) Are the currents in the same direction or in opposite directions? (i) Find the magnitude of the current.
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Transcribed Image Text:The unit of magnetic flux is named for Wilhelm Weber. The practical-size unit of magnetic
field is named for Johann Karl Friedrich Gauss. Both were scientists at Gottingen, Germany. Along
with their individual accomplishments, together they built a telegraph in 1833. It consisted of a
battery and switch, at one end of a transmission line 3 km long, operating an electromagnet at the
other end. (André Ampérè suggested electrical signaling in 1821; Samuel Morse built a telegraph
line between Baltimore and Washington in 1844.) Suppose that Weber and Gausss transmission
line was as diagrammed in Fig. 1. Two long, parallel wires, each having a mass per unit length of
40.0 g/m, are supported in a horizontal plane by strings 6.00 cm long. When both wires carry the
same current I, the wires repel each other so that the angle 0 between the supporting strings is
16.0°. (i) Are the currents in the same direction or in opposite directions? (ii) Find the magnitude
of the current.
Transcribed Image Text:6.00 cm
16.0°
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