Hanging Wire X x X X X x X X x X X X X X X x X x X x x x L vire of length L = 30 cm and mass M = 5gis suspended by a pair of flexible leads in a magnetic field with a strength B = 0.3 T. ) What magnitude and direction of current will result in no tension in the leads? ) If you reverse the direction of the current you found in part (a), what will be the tension in each lead?

College Physics
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Chapter19: Magnetism
Section: Chapter Questions
Problem 34P: A horizontal power line of length 58 m carries a current of 2.2 kA as shown in Figure P19.34. Earths...
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3 Hanging Wire
хх
X X
X X
L
A wire of length L = 30 cm and mass M = 5g is suspended by a pair of flexible leads in a magnetic field with a strength
of B = 0.3 T.
(a) What magnitude and direction of current will result in no tension in the leads?
(b) If you reverse the direction of the current you found in part (a), what will be the tension in each lead?
The magnetic field points into the page.
Transcribed Image Text:3 Hanging Wire хх X X X X L A wire of length L = 30 cm and mass M = 5g is suspended by a pair of flexible leads in a magnetic field with a strength of B = 0.3 T. (a) What magnitude and direction of current will result in no tension in the leads? (b) If you reverse the direction of the current you found in part (a), what will be the tension in each lead? The magnetic field points into the page.
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