Review I ConstantsCurrents in dc transmission lines can be 100 A or higher. Somepeople are concerned that the electromagnetic fields from suchlines near their homes could pose health dangers.Part AFor a line that has current 190 A and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? Express your answer inteslas.Express your answer in teslas.%3DSubmitRequest AnswerPart BWhat magnetic field does the line produce at ground level as a percent of the earth's magnetic field, which is 0.50 G.Express your answer as a percentage.?ВВЕSubmitRequest AnswerPart CIs this value of magnetic field cause for worry?No. Since this field is much smaller than the earth's magnetic field, it would be expected to have less effect than the earth's field.No. Since this field does not differ a lot from the earth's magnetic field, it would be expected to have almost the same effect as the earth's field.Yes. Since this field is much greater than the earth's magnetic field, it would be expected to have more effect than the earth's field.Yes. Since this field does not differ a lot from the earth's magnetic field, it would be expected to have almost the same effect as the earth's field.

current = i = 190 Amp distance = r = 8 m magnetic field = B = ?current = i = 190 Amp distance = r = 8 m Magnetic field = B =μ0 I2πR B =4π X10-7X 1902π X 8 B = 4.75 X 10-6 T b) BE = 0.5 G = 0.5 X 10-4 T BBE = = 4.75X10-60.5X10-4 = 0.095 = 9.5% C) no, because this field does not differ a lot from earth magnetic field

Science

Physics

Currents in dc transmission lines can be 100 A or higher. Some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. Part A For a line that has current 190 A and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? Express your answer in teslas. Express your answer in teslas. ? B =

Currents in dc transmission lines can be 100 A or higher. Some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. Part A For a line that has current 190 A and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? Express your answer in teslas. Express your answer in teslas. ? B =

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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