124-04 Magnetic Force and Induction

124-04 Magnetic Force and Induction - Physics 122 PHYSICS...

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Physics 122 PHYSICS 124 EXPERIMENT NO. 4 MAGNETIC FORCE AND INDUCTION PART I: MAGNETIC FORCE Set the controls on the oscilloscope so that you see a stationary spot at the center of the viewing screen. Be careful to turn down the INTENSITY control so that the spot is not too bright (i.e., no "halo"). Hold a magnet close enough to the top of the oscilloscope so that you see the pattern move. Do this with the magnet pointing vertically. Repeat with the magnet pointing horizontally on the side of the oscilloscope. In light of F = q v x B , can you identify the north pole of the magnet? Sketch your results for both cases and explain what has happened. PART II-INDUCTION In Part II of this experiment, the voltage induced in a coil of wire by a changing magnetic flux will be observed. A. Equipment 1 Oscilloscope, 1 Galvanometer, 1 Power Supply, 1 AC Signal Generator, 1 Magnetic Compass. 1 Set of Induction Coils, 1 DC Tap Switch, 1 Bar Magnet, 1 file:///C|/WINDOWS/Desktop/Lab%20Manual/124/HTML%20Version/124-04%20Magnetic%20Force.htm (1 of 3) [8/15/01 10:19:01 AM]
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124-04 Magnetic Force and Induction - Physics 122 PHYSICS...

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