1. A long straight thin wire carries current as shown. Use the Biot-Savart law and the right hand rule to determine the direction of the magnetic field at the points shown. a. What is the direction of the magnetic field at point 1 (left/right/in/out/top/bottom/zero)? Hint: pick a small length ds of the current and draw the vectorr from ds to point 1. ds I b. What is the direction of the magnetic field at point 2 1 (left/right/in/out/top/bottom/zero)? Turn the long wire so the current is coming straight out of the page (shown on the diagram on the left). Draw arrows at each point x showing the direction of the magnetic field at that point. Repeat for the diagram on the right which shows the current going into the page. c.
1. A long straight thin wire carries current as shown. Use the Biot-Savart law and the right hand rule to determine the direction of the magnetic field at the points shown. a. What is the direction of the magnetic field at point 1 (left/right/in/out/top/bottom/zero)? Hint: pick a small length ds of the current and draw the vectorr from ds to point 1. ds I b. What is the direction of the magnetic field at point 2 1 (left/right/in/out/top/bottom/zero)? Turn the long wire so the current is coming straight out of the page (shown on the diagram on the left). Draw arrows at each point x showing the direction of the magnetic field at that point. Repeat for the diagram on the right which shows the current going into the page. c.
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