The figure shows how a bleeder resistor is used to discharge a capacitor after 4-7 10 pts an electronic device is shut off, allowing a person to work on the electronics with less risk of shock. The resistor has a resistance of 302 kQ Electronic circuit 80 µF (a) What is the time constant? s(+ 0.1 s) (b) How long will it take to reduce the voltage on the capacitor to 1.0% of its full value once discharge begins? s(+1s) (c) If the capacitor is charged to a voltage Vo through a 120 2 resistance, calculate the time it takes to rise to 0.9Vo (This is close to two time constants.) ms (+0.1 ms)
The figure shows how a bleeder resistor is used to discharge a capacitor after 4-7 10 pts an electronic device is shut off, allowing a person to work on the electronics with less risk of shock. The resistor has a resistance of 302 kQ Electronic circuit 80 µF (a) What is the time constant? s(+ 0.1 s) (b) How long will it take to reduce the voltage on the capacitor to 1.0% of its full value once discharge begins? s(+1s) (c) If the capacitor is charged to a voltage Vo through a 120 2 resistance, calculate the time it takes to rise to 0.9Vo (This is close to two time constants.) ms (+0.1 ms)
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I attached the picture of the question, but just in case it is hard to read here it is typed out!
Also, I need the answers correct to 4 decimal places. Thank you!!
The figure shows how a bleeder resistor is used to discharge a capacitor after an electronic device is shut off, allowing a person to work on the electronics with less risk of shock. The resistor has a resistance of 302 kΩ.
a. What is the time constant? (in s)
b. How long will it take to reduce the voltage on the capacitor to 1.0% of its full value once discharge begins? (in s)
c. If the capacitor is charged to a voltage ?0 through a 120 Ω resistance, calculate the time it takes to rise to 0.9?0 (This is close to two time constants.) (in ms)
Transcribed Image Text:The figure shows how a bleeder resistor is used to discharge a capacitor after
4-7
10 pts an electronic device is shut off, allowing a person to work on the electronics
with less risk of shock. The resistor has a resistance of 302 kQ
Electronic
circuit
80 µF
(a) What is the time constant?
s(+ 0.1 s)
(b) How long will it take to reduce the voltage on the capacitor to 1.0% of its
full value once discharge begins?
s(+1s)
(c) If the capacitor is charged to a voltage Vo through a 120 2 resistance,
calculate the time it takes to rise to 0.9Vo (This is close to two time
constants.)
ms (+0.1 ms)
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