You run a 20 V input through a 50 kΩ resistor to charge a 12 μF...
You run a 20 V input through a 50 kΩ resistor to charge a 12 μF capacitor. What are your expected values for (a) the time constant τ, (b) the voltage at time equal to the time constant, and (c) the time it takes for the capacitor to reach 90% of full charge?
Homework Answers
Ch 15 QUESTION 1 The capacitor of an RC integrator charges to ________ if the input...
Ch 15 QUESTION 1 The capacitor of an RC integrator charges to ________ if the input is a 10 V pulse with a pulse width equal to six time constants. 3.7 V 6.3 V 10 V 5 V 1 points QUESTION 2 What is one time constant in an integrating circuit if a 4.7 kΩ resistor is in series with a 5 nF capacitor? 0.00235 ms 235 ms 0.0235 ms 2.35 ms 1 points QUESTION 3 How long will it...
A 13.1 μF capacitor is connected through a 853 kΩ resistor to a constant potential difference...
A 13.1 μF capacitor is connected through a 853 kΩ resistor to a constant potential difference of 64 V. Compute the charge on the capacitor at 14 s after the connections are made. (Give your answer in decimal using micro C (μC) as unit)
A capacitor of capacitance 382 μF is discharged through a resistor of 25 kΩ. Find the...
A capacitor of capacitance 382 μF is discharged through a resistor of 25 kΩ. Find the time required by the capacitor to discharge 66 percent of its maximum charge. Give your answer to atleast two decimal places.
A 20 μF capacitor initially charged to 30 μC is discharged through a 1.5 kΩ resistor....
A 20 μF capacitor initially charged to 30 μC is discharged through a 1.5 kΩ resistor. How long does it take to reduce the capacitor's charge to 10 μC?
A 20 μF capacitor initially charged to 30 μC is discharged through a 1.0 kΩ resistor....
A 20 μF capacitor initially charged to 30 μC is discharged through a 1.0 kΩ resistor. How long does it take to reduce the capacitor's charge to 9.0 μC? Express your answer using two significant figures in ms
A 50 μF capacitor that had been charged to 30 V is discharged through a resistor....
A 50 μF capacitor that had been charged to 30 V is discharged through a resistor. Figure 74 shows the capacitor voltage as a function of time. What is the value of the resistance?FIGURE 74
A capacitor of capacitance 471 μF is discharged through a resistor of 72 kΩ. Find the time required by the capacitor to...
A capacitor of capacitance 471 μF is discharged through a resistor of 72 kΩ. Find the time required by the capacitor to discharge 54 percent of its maximum charge.
(a) A capacitor of capacitance 220 μF is connected in series with a 150 kΩ resistor, a switch and an ammeter. A d.c. power supply of negligible internal resistance is connected to the circuit as show...
(a) A capacitor of capacitance 220 μF is connected in series with a 150 kΩ resistor, a switch and an ammeter. A d.c. power supply of negligible internal resistance is connected to the circuit as shown below 1 50 kΩ 220HF A stopclock is started and after 10 seconds the switch S is closed Ammeter readings are noted at regular intervals until a time of 80s is shown on the stopclock. The graph below shows how the current in the...
A 4.0 μF capacitor is put across a 12 V battery. After a long time (~20...
A 4.0 μF capacitor is put across a 12 V battery. After a long time (~20 time constants), the capacitor is disconnected and placed in series through an open switch, with a 250 Ω resistor. (a) Determine the charge on the capacitor before it is discharged. C (b) What is the initial current through the resistor when the switch is closed? A (c) At what time will the current reach 37% of its initial value? s
A 20 μF capacitor initially charged to 25 μC is discharged through a 1.5 kΩ resistor. Part A How long does it take to r...
A 20 μF capacitor initially charged to 25 μC is discharged through a 1.5 kΩ resistor. Part A How long does it take to reduce the capacitor's charge to 10 μC?
A 50 μF capacitor that had been charged to 30 V is discharged through a resistor. Figure 74 shows the capacitor voltage as a function of time. What is the value of the resistance?FIGURE 74
(a) A capacitor of capacitance 220 μF is connected in series with a 150 kΩ resistor, a switch and an ammeter. A d.c. power supply of negligible internal resistance is connected to the circuit as shown below 1 50 kΩ 220HF A stopclock is started and after 10 seconds the switch S is closed Ammeter readings are noted at regular intervals until a time of 80s is shown on the stopclock. The graph below shows how the current in the...
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