BIO Transcranial Magnetic Stimulation Transcranial magnetic stimulation (TMS) is

Question

BIO Transcranial Magnetic Stimulation Transcranial magnetic stimulation (TMS) is a noninvasive method for studying brain function, and possibly for treatment as well. In this technique, a conducting loop is held near a person's head, as shown in the figure. When the current in the loop is changed rapidly, the magnetic field it creates can change at the rate of . This rapidly changing magnetic field induces an electric current in a restricted region of the brain that can cause a finger to twitch, bright spots to appear in the visual field (magnetophosphenes), or a feeling of complete happiness to overwhelm a person. a. If the magnetic field changes at the previously mentioned rate over an area of 1.09?10?2 T/s, what is the induced emf?

Explanation / Answer

emf = A dB/dt = A * 1.09e-2

I couldnt find the area A in the question, but if you put area A at the equetion, you can find emf easily. :)

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