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University of Virginia Electrical Field and Electromagnetic Flowmeter Questions
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Using an electromagnetic flowmeter, we apply a magnetic field of 0.25 T to a coronary artery where the velocity of the blood is 15 cm/s.
Answer the following questions:
– What force is felt by an Na+ ion?
– What is the strength of electric field produced by the blood as it separates to balance the magnetic force?
– If the artery has a diameter of 3.0 mm, what voltage does this electric field produce?
