Question: 3 Formula 1 point A rainbow - shaped loop of wire has an inner and outer radius of a = 3 . 8 c m

3 Formula 1 point
A rainbow-shaped loop of wire has an inner and outer radius of a=3.8cm and b=7.4cm, respectively, and carries a current of 4 A , as shown below.
What is the magnetic field at point P, the center of the rainbow?
Give your answer in units of T.
Type your answer...
3 Formula 1 point A rainbow - shaped loop of wire

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