Exercise 27.12 A horizontal rectangular surface has dimensions 2.90cm by 3.05cm

Question

Exercise 27.12

A horizontal rectangular surface has dimensions 2.90cm by 3.05cm and is in a uniform magnetic field that is directed at an angle of 27.5? above the horizontal.

Part A

What must the magnitude of the magnetic field be in order to produce a flux of 4.50

Exercise 27.12

A horizontal rectangular surface has dimensions 2.90cm by 3.05cm and is in a uniform magnetic field that is directed at an angle of 27.5? above the horizontal.

Part A

What must the magnitude of the magnetic field be in order to produce a flux of 4.50

Explanation / Answer

Note that

B flux = B A sin (K)

---> B = [B flux]/[A sin K]

where

B = the magnetic field magnitude
A = the area = L*W = 8.845E-4 m^2
K = angle between the surface and the B field = 27.5 degrees
B flux = 4.5E-4 Wb

Thus,

B = 1.10 T   [ANSWER]

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