Question: Suppose a neuron in the brain carries a current of 5.0 10-8 A. Treating the neuron as a straight wire, what is the magnetic

Suppose a neuron in the brain carries a current of 5.0 × 10-8 A. Treating the neuron as a straight wire, what is the magnetic field it produces at a distance of 7.5 cm?

A. 1.3 × 10-13 T

B. 4.2 × 10-12 T

C. 1.1 × 10-10 T

D. 3.3 × 10-7 T

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