Two currents are shown in the figure below. Current a is into the page and curre

Question

Two currents are shown in the figure below. Current a is into the page and current b is out of the page. Both currents have the same magnitude. A and B:

a. Draw a vector representing the relative magnitude and direction of the field at each of the black dots shown. You may do this on your own paper, but there should be one vector at the location of each black dot (there are 12). We haven’t learned the formulas for calculating the exact magnitude yet, but you can represent how the strength of the field changes with distance from the current with the lengths of your vectors. The two currents are very far from each other

b. Draw the magnetic field lines for these two currents.

C: Now the currents have been brought close together. Draw the magnetic field vectors at each of the points shown. Magnetic fields add linearly just as electric fields did.

Explanation / Answer

a)   Magnetic lines vector are pointing in upwards direction .

b)    The magnetic field lines for these two currents are pointing in   downwards direction .

c)   The magnetic field vectors are pointing in 45 degrees to the + ve X axis .

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