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PHYSICS HONORS NAME: LAB WORKSHEET: MAGNETIC INDUCTION PERIOD: ATTACH YOUR LAB OBSERVATION NOTES TO THE BACK OF THIS WORKSHEET Station One: The Magic Copper Tube You should have a copper tube, a magnetic cylinder, and a non-magnetic cylinder. Hold up both cylinders to the copper tube and check for repulsion or attraction. Then hold the tube vertically and drop each cylinder into the top. Observe the motion of each as it falls. Flip the magnet over (so that the other pole is on the bottom) and repeat. 1) Does the stationary magnetic cylinder attract the copper tube? 2) Does the magnetic cylinder rub against the walls of the tube as it falls? 3) What evidence is there that the force slowing the cylinder down is magnetic in nature? 4) What happens to the magnetic field inside the tube as the magnetic cylinder falls? 5) What evidence do you have that currents are generated in the tube? 6) Does the polarity of the magnet have any effect on its motion through the tube? Station Two: The Ring Launcher Plug the Ring Launcher into the wall socket. Place a metal ring on the iron rod, so that it rests near the top of the coils. Close the switch and observe what happens. (Closing the switch allows a strong alternating current to flow in the solenoid coils.) After waiting for the Ring Launcher to cool off a bit, close the switch without
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