Capacitance of a Capacitor
In a heart pacemaker, a pulse is delivered to the heart 81 times per minute. The capacitor that controls this pulsing rate discharges through a resistance of 1.8e6 ohms. One pulse is delivered every time the fully charged capacitor loses 62.9 % of its original charge. What is the capacitance of the capacitor? Answer in farads.
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Because the capacitor loses 62.9% of its original charge:
q = ...
Solution Summary
The solution is given as a step-by-step equational process.
Capacitance of a parallel plate capacitor with dielectric.
17.68) A capacitor is made from two parallel conducting plates, each with an area of 860 squared. The plates are separated by a dielectric film 0.250 mm thick. Measurements show that the potential difference between the plates is 185 V when the charge on the plates is 1.75 uC. (a) What is the capacitance of the capacitor? (b) What is the most likely material used for the dielectric?
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