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(In the street viewshown above, you are looking due North. A westward current in the overhead cable is travelling right to left in this view.) What is the magnitude o Sum of fields The sequence of questions on the right will guide you to calculate the net magnetic field at a point due to multiple sources. Type your answer. In the case shown in the figure below, the sources of the magnetic field are two current-carrying wires. 7 1 point What is the direction of Wire-1 carries a 12A current pointing Up, and Wire-2 carries a 10A current pointing Left. (indicated by (b) on the figure.) O Up O Down Right 12 A Left 15 cm 10 A Into (the page)

(In the street viewshown above, you are looking due North. A westward current in the overhead cable is travelling right to left in this view.) What is the magnitude o Sum of fields The sequence of questions on the right will guide you to calculate the net magnetic field at a point due to multiple sources. Type your answer. In the case shown in the figure below, the sources of the magnetic field are two current-carrying wires. 7 1 point What is the direction of Wire-1 carries a 12A current pointing Up, and Wire-2 carries a 10A current pointing Left. (indicated by (b) on the figure.) O Up O Down Right 12 A Left 15 cm 10 A Into (the page)

College Physics
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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(In the street viewshown above, you are looking due North. Awestward current in the overhead cable is travelling right to left in this view.) What is the magnitude of the magnetic field at point P due to the current I ? Sum of fields Туре уour answer. The sequence of questions on the right will guide you to calculate the net magnetic field at a point due to multiple sources. In the case shown in the figure below, the sources of the magnetic field are two current-carrying wires. 7 1 point Wire-1 carries a 12A current pointing Up, and Wire-2 carries a 10A current pointing Left. (indicated by (b) on the figure) What is the direction of the magnetic field at point P due to the current Ih? O Up O Down O Right 12 A O Left 15 cm Into (the page) 8.0 (a) O Out of (the page) ст (b)e 8.0 ст 15 cm 8 1 point What is the magnitude of the magnetic field at point P due to the current I,? Type your answer. The net magnetic field at any point can be calculated as the vector sum of the field contributions from each wire 9 1 point What is the direction of the magnetic field at point P due to the current I2? In other words, to find the net field, we need to find the field from each wire, and their relative orientations. If the fields point in the same direction, their magnitudes add up. Ifthey point in opposite directions, then the net field's magnitude is the difference between the magnitudes, and the direction is that of the stronger field. O Up O Down O Right O Left Into (the page) O Out of (the page) O O
Transcribed Image Text:(In the street viewshown above, you are looking due North. Awestward current in the overhead cable is travelling right to left in this view.) What is the magnitude of the magnetic field at point P due to the current I ? Sum of fields Туре уour answer. The sequence of questions on the right will guide you to calculate the net magnetic field at a point due to multiple sources. In the case shown in the figure below, the sources of the magnetic field are two current-carrying wires. 7 1 point Wire-1 carries a 12A current pointing Up, and Wire-2 carries a 10A current pointing Left. (indicated by (b) on the figure) What is the direction of the magnetic field at point P due to the current Ih? O Up O Down O Right 12 A O Left 15 cm Into (the page) 8.0 (a) O Out of (the page) ст (b)e 8.0 ст 15 cm 8 1 point What is the magnitude of the magnetic field at point P due to the current I,? Type your answer. The net magnetic field at any point can be calculated as the vector sum of the field contributions from each wire 9 1 point What is the direction of the magnetic field at point P due to the current I2? In other words, to find the net field, we need to find the field from each wire, and their relative orientations. If the fields point in the same direction, their magnitudes add up. Ifthey point in opposite directions, then the net field's magnitude is the difference between the magnitudes, and the direction is that of the stronger field. O Up O Down O Right O Left Into (the page) O Out of (the page) O O
Overhead cables | 2 points If a cable carrying a 58A current is suspended 9.7m above the ground, and a 1.6m tall person walks directly under it, calculate the magnetic field-created by the current in the cable- at the location of the person's head, and compare it to the strength of Earth's magnetic field. (calculate Bars , to two decimal places.) Type your answer. 1 point If the current in the cable is traveling westward, what is the direction of the magnetic field generated by the current in the cable at any point under the cable? Upwards O Downwards North Consider a situation where a person walks under a cable that carries an electric current. South East The electric current in the cable, if the cable is not shielded, produces a magnetic field around it. West I wonder how strong the magnetic field at the location of the person's head is, and whether it would be a source of concern. To that end, I think it would be useful to compare the magnetic field generated by the current in the cable to that of Earth's, because I know that Earth's magnetic field is quite small and harmless, Brarth = 50T (In the street view shown above, you are looking due North. A westward current in the overhead cable is travelling right to left in this view.)
Transcribed Image Text:Overhead cables | 2 points If a cable carrying a 58A current is suspended 9.7m above the ground, and a 1.6m tall person walks directly under it, calculate the magnetic field-created by the current in the cable- at the location of the person's head, and compare it to the strength of Earth's magnetic field. (calculate Bars , to two decimal places.) Type your answer. 1 point If the current in the cable is traveling westward, what is the direction of the magnetic field generated by the current in the cable at any point under the cable? Upwards O Downwards North Consider a situation where a person walks under a cable that carries an electric current. South East The electric current in the cable, if the cable is not shielded, produces a magnetic field around it. West I wonder how strong the magnetic field at the location of the person's head is, and whether it would be a source of concern. To that end, I think it would be useful to compare the magnetic field generated by the current in the cable to that of Earth's, because I know that Earth's magnetic field is quite small and harmless, Brarth = 50T (In the street view shown above, you are looking due North. A westward current in the overhead cable is travelling right to left in this view.)
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