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session.masteringphysics.com https://session.masteringphysics.com/myct/ P itemView?assignmentProblemID-93533129 4 of 13> Assume that I 6.0 A. (Figure 1) Part A You may want to review (Pages 803-806) What is the magnetic field strength at point a? Express your answer to two slgnlflcant flgures and Include the approprlate unlts. HA B-1 Value Units Submit Request Answer Part B What is the direction of the magnetic field strength at point a? Figure 1 of 1 O into page out of page to the left to the right Submit Previous Answers Request Answer 4.0 cm Incorrect; Try Again; 8 attempts remaining 2.0 cm - Part C

Explanation / Answer

Here , for the net magnetic field at a

part A)

net field at a = field due to upper wire - field due to lower wire

net field at a = u0 * I/(2pi * 0.02) - u0 * I/(2pi * 0.06)

net field at a = 4pi *10^-7 * 6/(2pi) * (1/0.02 - 1/.06)

net field at a = 4 *10^-5 T

the net magnetic field at a is 4 *10-5 T

part B)

the field at a is out of page

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