Electrocardiographs are often connected . The lead wires to the legs are said to

Question

Electrocardiographs are often connected. The lead wires to the legs are said to be capacitively coupled. A time constant of 3.0 sis typical and allows rapid changes in potential to be recorded accurately.

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If C = 6.0?F , what value must R have? [Hint: Consider each leg as a separate circuit.]

Electrocardiographs are often connected. The lead wires to the legs are said to be capacitively coupled. A time constant of 3.0 s is typical and allows rapid changes in potential to be recorded accurately.

Explanation / Answer

time constant = 1/RC = 3

R = 1/3C = (1/(3*6))*10^6 = 55.55 k ohm

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