Problem 23.3 A magnetic field is oriented at an angle of 43 to the normal of a r

ID: 1344406 • Letter: P

Question

Problem 23.3

A magnetic field is oriented at an angle of 43 to the normal of a rectangular area 4.7 cm by 7.1 cm .

Part A

If the magnetic flux through this surface has a magnitude of 4.3×105 Tm2 , what is the strength of the magnetic field?

Express your answer using two significant figures.

Problem 23.3

A magnetic field is oriented at an angle of 43 to the normal of a rectangular area 4.7 cm by 7.1 cm .

Part A

If the magnetic flux through this surface has a magnitude of 4.3×105 Tm2 , what is the strength of the magnetic field?

Express your answer using two significant figures.

B = mT

the formula for magnetic flux is

magnetic flux = BA cos theta

B = magnetic flux/ A cos theta

=4.3×105 Tm^2/(0.047)(0.071) cos43

=17.61 m T

for two significant B = 18 mT

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