A. A wire is connected to batteries (not shown), and current flows through the wire. The...
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A. A wire is connected to batteries (not shown), and current flows through the wire. The wire lies flat on a table, and you are looking down on it from above. The wire is laid on top of a compass, resting about 5 mm above the needle. The distance d is 4.5 cm. The compass needle deflects 12 degrees from North, as shown. At this location the horizontal component of the Earth's magnetic field is 2e-5 tesla. What is the direction of the magnetic field at location A, midway between the wires, due to the current in the wire? -Select- What is the approximate magnitude of the magnetic field at location A, due to the current in the wire? What approximations or assumptions did you make in solving this problem? O Assume the bent end of the wire is far from location A O Assume that at the location of the compass the effect of the distant wire is negligible O Assume one side of the wire is much longer than d O Assume the Earth's magnetic field is negligible batteries not shown A. A wire is connected to batteries (not shown), and current flows through the wire. The wire lies flat on a table, and you are looking down on it from above. The wire is laid on top of a compass, resting about 5 mm above the needle. The distance d is 4.5 cm. The compass needle deflects 12 degrees from North, as shown. At this location the horizontal component of the Earth's magnetic field is 2e-5 tesla. What is the direction of the magnetic field at location A, midway between the wires, due to the current in the wire? -Select- What is the approximate magnitude of the magnetic field at location A, due to the current in the wire? What approximations or assumptions did you make in solving this problem? O Assume the bent end of the wire is far from location A O Assume that at the location of the compass the effect of the distant wire is negligible O Assume one side of the wire is much longer than d O Assume the Earth's magnetic field is negligible batteries not shown
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