A long hairpin is formed by bending a very long wire as shown in Fig. 30-73. Tak

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A long hairpin is formed by bending a very long wire as shown in Fig. 30-73. Take R =3.5 mm and the distance betweenaandbto be much larger than R (each straight section is 'infinite' in length). If the wire carries a 20 Acurrent, what are the direction and magnitude of B at:

a.) at point a?

__________mT

chose one:

out of the page

towards the bottom of the page

towards the right of the page

into the page

towards the top of the page

towards the left of the page

b.) midpoint b?

__________mT

chose one:

out of the page

towards the bottom of the page

towards the right of the page

into the page

towards the top of the page

towards the left of the page

A long hairpin is formed by bending a very long wire as shown in Fig. 30-73. Take R =3.5 mm and the distance betweenaandbto be much larger than R (each straight section is 'infinite' in length). If the wire carries a 20 Acurrent, what are the direction and magnitude of B at: at point a? __________mT chose one: out of the page towards the bottom of the page towards the right of the page into the page towards the top of the page towards the left of the page midpoint b? __________mT chose one: out of the page towards the bottom of the page owards the right of the page into the page towards the top of the page towards the left of the page

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