phy186 lab 6

# phy186 lab 6 - LAB #6 MEASUREMENT OF THE EARTH'S MAGNETIC...

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LAB #6 MEASUREMENT OF THE EARTH’S MAGNETIC FIELD PURPOSE The purpose of this lab was to ultimately measure the magnetic field of the earth. Since a compass measures the local direction of the earth’s magnetic field in the absence of other fields, we are able to set up a known magnetic field configuration perpendicular to that of the earths. If these two magnetic fields are truly perpendicular, the compass needle will shift somewhere between 0 o and 90 o , ideally pointing at a 45 o angle. We are able to use various materials and given equations to measure this magnetic field. MATERIALS Ruler Calculator Compass Solenoid Coil Power Source Ammeter Dip Needle PROCEDURE Using a compass, locate the direction of the earth’s magnetic field. Position the solenoid coil in a way so that it is perpendicular to the direction of the earth’s magnetic field. Position the compass on the platform in the center of the solenoid coil. Establish a magnetic field perpendicular to that of the earths by switching the current on.

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## phy186 lab 6 - LAB #6 MEASUREMENT OF THE EARTH'S MAGNETIC...

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