Question

In the image below, a 5.0A current travels through an otherwise straight wire that loops in a 2cm-diameter circle.

  1. What is the magnitude and direction of the magnetic field in the center of the loop due only to the linear portion of the wire?
  2. What is the magnitude and direction of the magnetic field in the center of the loop due only to the circular portion of the wire?
  3. What it the net magnetic field (both magnitude and direction) in the center of the loop?

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Answer #1

고 I ple a) magnetic field done to Straight wire (*) = Mo I (-²) 2.(die) = 4x10*xsa loxlos - Jo“(-)T B = MOI Td 2x10-2 b) dur

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