Physics, 05.03.2020 10:21, dmaxbexkham

Neurons in our bodies carry weak currents that produce detectable magnetic fields. A technique called magnetoencephalography, or MEG, is used to study electrical activity in the brain using this concept. This technique is capable of detecting magnetic fields as weak as 1.0 ✕ 10−15 T. Model the neuron as a long wire carrying a current and find the current it must carry to produce a field of this magnitude at a distance of 3.4 cm from the neuron.

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Neurons in our bodies carry weak currents that produce detectable magnetic fields. A technique calle...