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Physics Test 3

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16 questions

  • 1. Open Ended
    30 seconds
    1 pt
    The magnetic field 10 cm from a wire carrying a 1 A current is 2 μT. What is the field 5 cm from the wire?
  • 2. Open Ended
    30 seconds
    1 pt
    A wire carries a current of 23 A . Use the data from (Figure 1) to determine at what approximate distance from the wire the magnetic field strength would equal that of a refrigerator magnet. https://session.masteringphysics.com/problemAsset/1872305/5/table24_1.jpg
  • 3. Open Ended
    30 seconds
    1 pt
    The magnetic field at the center of a 1.0-cm-diameter loop is 2.5 mT What is the current in the loop? A long straight wire carries the same current you found in part a. At what distance from the wire is the magnetic field 2.5 mT ?
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