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Problem 29.11: Find the inductance of a solenoid

Please wait for the animation to completely load.

This animation shows a cross section of a solenoid (think of a pipe cut in half lengthwise and looking at the cut edge). The graphs show the current in the solenoid and the induced emf as a function of time (position is given in centimeters, time is given in seconds, magnetic field strength is given in millitesla,  current is given in amperes, and induced emf is given in millivolts). Restart.

  1. What is the inductance of the solenoid shown in this animation?
  2. How many turns per meter of current-carrying wire are coiled around this solenoid?
  3. How long is this solenoid (it extends beyond the screen)?

Problem authored by Anne J. Cox.

Physlets were developed at Davidson College and converted from Java to JavaScript using the SwingJS system developed at St. Olaf College.

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