MasteringPhysics Ch MHW Google arame https//sessionmasteringphysics com/myct/tem

Question

MasteringPhysics Ch MHW Google arame https//sessionmasteringphysics com/myct/temviewrassignmentproblemIDs 66068020 cs 2 lor Scientsis and Engineers (PHYS 1122) secto Problem 34 38 Problem 34.38 Part A A 12 A cument is changing a 1.3 cmdameter what is the magnetic seld strengh at apoit 15 mm radaly from the center of me wire leading to Express your answer to two significant figures and include the appropriano units. B 1.6-10 T MAAesents Give Up Correct Part B what is the magnetic field strength at a point 1.5 man radally from the center of the capacitor? Express your nswer to two significant sigures and include the appropriate units. B- Value Units DELL

Explanation / Answer

(A) B = u0 I / 2 pi r

= (4pi x 10^-7 x 12) / (2 x pi x 1.5 x 10^-3 )

= 1.6 x 10^-3 T

(B) Id = 12 A

B (2 pi r ) = u0 Id

hence B = 1.6 x 10^-3 T

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