Question
An ECG monitor must have an RC time constant less than 100 μs to be able to measure variations in
voltage over small time intervals. If the resistance of the circuit (due mostly to that of the patient’s
chest) is 1000 Ω, what is the maximum capacitance of the circuit?
voltage over small time intervals. If the resistance of the circuit (due mostly to that of the patient’s
chest) is 1000 Ω, what is the maximum capacitance of the circuit?
Answers
Henry
R*C < 1*10^-4 s.
1000*C < 1*10^-4.
C < 1*10^-7 Farads < 0.10 Microfarads.
1000*C < 1*10^-4.
C < 1*10^-7 Farads < 0.10 Microfarads.