Observation experiment In this experiment we will use a compass to map the magne
ID: 1426584 • Letter: O
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Observation experiment In this experiment we will use a compass to map the magnetic field of a small magnet. Place the magnet so that its axis is horizontal. Place the compass about 10 cm (measured from the center of the compass to the center of the magnet) from the N pole of the magnet along the axis of the disk.
Observation experiment In this experiment we will use a compass to map the magnetic field of a small magnet. Place the magnet so that its axis is horizontal. Place the compass about 10 cm (measured from the center of the compass to the center of the magnet) from the N pole of the magnet along the axis of the disk. Be sure the axis of the magnet is in the same horizontal plane as the compass. Assuming the compass needle represents the direction of the field of the magnet, draw a vector on Figure 2 to indicate the direction of the field at that location Keeping the distance between the center of the magnet and the center of the compass the samemake similar observations of the direction of the field at intervals of 30 around the circle. At each location draw a vector that indicates the direction of the field. N Figure 2 (top view looking down on magnet) 10 em a Does the Earth's field have a significant effect on your observations? Explain your answer, b. Suppose the large circle in the above figure represents the surface of the Earth. Mark the approximate location of Corvallis. Assuming that the field directions you have drawn can be taken to represent the direction of the Earth's magnetic field at its surface, estimate the angle of the magnetic field direction above or below the horizontal at Corvallis.Explanation / Answer
Earth's Field have a significant effect on observations as the field of a magnetic dipole currently will tilt at an angle of about 100 with respect to Earth's rotational axis, as if there were a bar magnet placed at that angle at the center of the Earth.
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