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The major problem encountered with the sinusoidal type of magnetic field is that the blood vessel and the fluid contained in it act as the primary coil of a transformer when the probe magnet is excited.(a) True(b) FalseThis question was addressed to me at a job interview.Origin of the question is Cyber Medicine in division Telemedicine Technology of Biomedical Instrumentation

Answer»

The correct choice is (b) False

Easy EXPLANATION: False, the major PROBLEM encountered with the sinusoidal type of magnetic field is that the blood vessel and the fluid contained in it act as the secondary coil of a transformer when the probe magnet is excited. As a RESULT, in addition to the induced flow VOLTAGE, there is an induced artefact voltage generally REFERRED to as ‘transformer voltage’.



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