Question

In an RC circuit with an initially uncharged capacitor, the time constant is the time that...

In an RC circuit with an initially uncharged capacitor, the time constant is the time that is required for the current through the resistor to reach what percentage of its initial value?

50%

63%

90%

37%

100%

0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
In an RC circuit with an initially uncharged capacitor, the time constant is the time that...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • when an initially uncharged capacitor in an RC circuit, what happens to the potential difference across...

    when an initially uncharged capacitor in an RC circuit, what happens to the potential difference across the capacitor Reading Question 27.23 When an initially uncharged capacitor is charged in an RC circuit, what happens to the potential difference across the resistor? O It is initially 0 and then increases linearly with time. O It is initially at its maximum value and then decreases linearly with time. O It is initially at its maximum value and then decreases exponentially with time....

  • 1. A 450 nF capacitor is initially uncharged. The capacitor is connected in series with a...

    1. A 450 nF capacitor is initially uncharged. The capacitor is connected in series with a 2,500  resistor and a 6.00 V ideal battery. The circuit is “closed” allowing current to flow and the capacitor to start charging. a. What is the time constant of this RC circuit? b. What is the current through the resistor when the circuit is first “closed”? c. How much time is required for the voltage across the capacitor to reach 5.00 V? d....

  • In the RC circuit shown, switch S is initially open and the capacitor uncharged. The switch is closed and current begins to flow through the resistor.

    In the RC circuit shown, switch S is initially open and the capacitor uncharged. The switch is closed and current begins to flow through the resistor. Find the time that passes before the current decays to 5% of its original value (which is the value when the switch is first thrown).

  • The time, in seconds, for the current through a 870-ohm resistor in an RC circuit, with...

    The time, in seconds, for the current through a 870-ohm resistor in an RC circuit, with an initially uncharged 4.24-mF capacitor, to fall to -37% of its maximum value is Add your answer Question 3 7.14 Points The time for the current in the resistor of an RL circuit, in units of ms, to reach -63% of its final value with a 705 resistor and a 84.7 mH inductor is Add your answer For an AC voltage source powering a...

  • Q2. In the RC Circuit shown in Figure 2, the capacitor is initially uncharged (at time...

    Q2. In the RC Circuit shown in Figure 2, the capacitor is initially uncharged (at time t=0). 2- In the RC Circuit shown in Figure 2, the capacitor is initially uncharged (at time t=0). (ignore the internal resistance of the battery) Figure 2 C= 5.0nF a) Calculate the current I released by the battery, just after the switch S is closed at t=0, (7 pts) b) Calculate the max. power dissipated in the lightbulb, (9 pts) c) Now lets open...

  • A capacitor that is initially uncharged is connected in series with a resistor and an emf...

    A capacitor that is initially uncharged is connected in series with a resistor and an emf of source epsilon = 100 V and negligible internal resistance. Just after the circuit is completed, the current through the resistor is 7.1 x 10^-3 A. the time constant for the circuit is 6.0 s. What is the resistance of the resistor? _____ Ohm What is the capacitance of the capacitor __________ MuF

  • 3. In the RC circuit shown in the figure below the capacitor is initially uncharged R-100?...

    3. In the RC circuit shown in the figure below the capacitor is initially uncharged R-100? R2 3002, C-250 uF (a) At what time after the switch is connected to A will the voltage across the capacitor be 5.6 V? (b) What is the current through Ri when the voltage across the capacitor equal 5.6 V? (c) When the voltage across C is 5.6V the switch is quickly thrown to position B. At what time after the switch is thrown...

  • 13. RC circuit A RC circuit has a resistor of 100k and a capacitor of 2004....

    13. RC circuit A RC circuit has a resistor of 100k and a capacitor of 2004. What is the time constant? (5) 2. Figure 3 shows the voltage across a capacitor versus time in a RC-circuit experiment. (5) The applied voltage to the capacitor is V-6. What is the estimated time constant for this capacitor? a) 1-50 b) 50-100s c) 100-150 d) 200-250 e)300-350s Figure 3: Voltage versus time for a capacitor. 3. Working Problem (show all your work!) Figure...

  • Consider the RC circuit in the figure. The switch has been open for a long time...

    Consider the RC circuit in the figure. The switch has been open for a long time and is closed at t=0s. The capacitor initially uncharged. (a) Immediately after the switch is closed, what is value of the current through each resistor? (b) After a long time has elapsed and the capacitor is fully charged, what is the value of the current through each resistor and the charge on the capacitor?

  • Review The capacitor in an RC circuit (R140 , C-50 F) is initially uncharged. Express your...

    Review The capacitor in an RC circuit (R140 , C-50 F) is initially uncharged. Express your answer using two significant figures qT)280 C Previous Answers Submit Correct Significant Figures Feedback: Your answer 284 C was either rounded differently or used a different number of significant figures than required for this part Part B Find the current in the circuit one time constant (T RC) after the circuit is connected to a 9.0-V battery. Express your answer using two significant figures....

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT