Question

In: Physics

What is a time constant and what does it mean for a decaying RC circuit?

What is a time constant and what does it mean for a decaying RC circuit?

Solutions

Expert Solution

time constant is the time required to charge the capacitor through the resistor

decaying RC circuit means that the capacitor is getting discharged after a long time


Related Solutions

In an RC circuit the time constant is defined as Select one: True False
In an RC circuit the time constant is defined as Select one: True False
4.2.2 What is an RC Circuit? Recall that the capacitance is defined as the proportionality constant...
4.2.2 What is an RC Circuit? Recall that the capacitance is defined as the proportionality constant between the total charge accumulated by a capacitor and the voltage difference across the circuit Q = C△V (4.2) In this equation, the charge Q is expressed in Coulomb (C), the voltage △V, in volts (V) and the capacitance C in farads (F). In this lab you will study both the charging and discharging process of an RC circuit. During the charging process, an...
Solve the equation for a charging capacitor (Vc = Vs(1-e^(t/t))) for an RC Circuit for the ratio of the time (t) to the RC time constant (t):
it is rc time constant problem. 1. Solve the equation for a charging capacitor (Vc = Vs(1-e^(t/t))) for an RC Circuit for the ratio of the time (t) to the RC time constant (t): Show all steps. 2. Using the answer to Part 1, calculate the fraction of a time constant (t) to charge an initially uncharged capacitor to 10% of the source voltage (Vs). Show all steps. 3. Using the appropriate answers from Part 1, calculate the fraction of...
In an RC circuit as depicted in the figure above, what happens to the time required...
In an RC circuit as depicted in the figure above, what happens to the time required for the capacitor to be charged to half its maximum value if either the resistance or capacitance is increased with the same applied voltage? (Select all that apply.) A.Increasing the resistance increases the time. B.Increasing the resistance decreases the time. C.Increasing the capacitance increases the time D.Increasing the capacitance decreases the time.
Consider a RC circuit. At time t=0, the circuit is closed. ( a) Draw how the...
Consider a RC circuit. At time t=0, the circuit is closed. ( a) Draw how the current behaves with time. (b) What about the power dissipated by the resistor ? (also draw it as a function of t)
Consider a RC circuit. At time t = 0, the circuit is closed. (a) Draw how...
Consider a RC circuit. At time t = 0, the circuit is closed. (a) Draw how the current behaves with time (b) What about the power dissipated by the resistor? (also draw it as a function of t)
show that the relaxation time for a heavily damped rlc circuit is RC
show that the relaxation time for a heavily damped rlc circuit is RC
A.) In the lab, you will determine a value for the time constant of the RC...
A.) In the lab, you will determine a value for the time constant of the RC circuit, by measuring the amount of time it takes the capacitor voltage to increase from 0.0 V to ______ % of its maximum value. B.) If you only have capacitors of one value, you can change the total capacitance of the circuit by using combinations of capacitors. Assuming that all the capacitors have the same value, how could you increase the total capacitance? Options:...
What is the maximum charge on a capacitor in an RC circuit? As the capacitor in...
What is the maximum charge on a capacitor in an RC circuit? As the capacitor in an RC circuit charged, what is the current as a function of time?Explain your answer physically. 1.5 V batteries are usually connected in series. Would the batteries last longer or shorter if they were connected in parallel instead?
Given a RC circuit in series , at time t=0, power supply 4v is connected to...
Given a RC circuit in series , at time t=0, power supply 4v is connected to the circuit causing charging of capacitor, determine at instant 8 seconds : Where C = 10 mF, R = 4 kOhms, and consider all initial values equal to ZERO. a) Tension on capacitor; b) Tension on resistor; c) total current.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT