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The figure below shows how a bleeder resistor (R = 286 km) is used to discharge a capacitor (C = 54.7 µF) after an electronic device is shut off, allowing a person to work on the electronics with less risk of shock. Electronic circuit (a) What is the time constant? S (b) How long will it take to reduce the voltage on the capacitor to 0.100% of its full value once discharge begins? S (c) If the capacitor is charged to a voltage Vo through a 133 resistance, calculate the time it takes to rise to 0.865V (this is about two time constants). S

The figure below shows how a bleeder resistor (R = 286 km) is used to discharge a capacitor (C = 54.7 µF) after an electronic device is shut off, allowing a person to work on the electronics with less risk of shock. Electronic circuit (a) What is the time constant? S (b) How long will it take to reduce the voltage on the capacitor to 0.100% of its full value once discharge begins? S (c) If the capacitor is charged to a voltage Vo through a 133 resistance, calculate the time it takes to rise to 0.865V (this is about two time constants). S

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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The figure below shows how a bleeder resistor (R = 286 km) is used to discharge a capacitor (C = 54.7 µF) after an electronic device is shut off, allowing a person to work on the electronics with less risk of shock. Electronic circuit (a) What is the time constant? S www R (b) How long will it take to reduce the voltage on the capacitor to 0.100% of its full value once discharge begins? S (c) If the capacitor is charged to a voltage Vo through a 133 resistance, calculate the time it takes to rise to 0.865V (this is about two time constants). S
Transcribed Image Text:The figure below shows how a bleeder resistor (R = 286 km) is used to discharge a capacitor (C = 54.7 µF) after an electronic device is shut off, allowing a person to work on the electronics with less risk of shock. Electronic circuit (a) What is the time constant? S www R (b) How long will it take to reduce the voltage on the capacitor to 0.100% of its full value once discharge begins? S (c) If the capacitor is charged to a voltage Vo through a 133 resistance, calculate the time it takes to rise to 0.865V (this is about two time constants). S
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