The semicircles in the figure have radii a and b. Determine the modulus, direction, and direction of the resultant magnetic field at point P produced by the current I.

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The semicircles in the figure have radii a and b. Determine the modulus, direction, and direction of the resultant magnetic field at point P produced by the current I. 

b'
La-
P
Transcribed Image Text:b' La- P
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