heroe10x posted a question
Which of the diagrams correctly denotes
the directions of the components of the
magnetic field from each conductor at the
point P?

What is the magnitude of each of the four
components BA, BB, BC, and BD at the point

What is the magnitude of the magnetic field
at point P?

What is the direction of this resultant mag-
netic field?
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    beldorin (sb37529) Homework 8 Sources of Magnetism catala (20491)
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Q:10 Option 4

For A,B,C,D
R = 0.42
B A,B,C,D= oI/2r = 4*10-7*2/2*.0.82 = 7.1*10-7T
12. From vector diagram in q10
Direction will be along J as magnitude is same (Option 7)