RC Circuit: Time Calculation & Output Voltage Integration

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Discussion Overview

The discussion revolves around the properties and calculations related to RC circuits, specifically focusing on the time constant, the integration of output voltage in relation to input voltage, and measuring internal resistance in a square-wave generator. The scope includes theoretical aspects and potential homework-related inquiries.

Discussion Character

  • Homework-related, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant asks how to demonstrate that the product of resistance (R) and capacitance (C) has units of time, referencing the definitions of R and C.
  • Another question is posed regarding how to connect an RC combination to achieve an output voltage that represents the time integral of the input voltage.
  • A third inquiry involves methods for measuring the internal resistance of a square-wave generator.
  • Some participants suggest that the initial questions appear to be homework-related and encourage the original poster to show their attempts at solving them.
  • There is a mention of the "RC Time constant," noted as Tau, as a potential avenue for exploring the first question.

Areas of Agreement / Disagreement

Participants generally agree that the questions are homework-related and emphasize the need for the original poster to provide their own thoughts before receiving assistance. However, there is no consensus on the specific methods or solutions to the posed questions.

Contextual Notes

Limitations include the lack of detailed attempts from the original poster to solve the questions, which may affect the depth of discussion. The inquiries depend on understanding specific electrical concepts and definitions that may not be fully articulated in the thread.

e_sovalye
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1-using the facts that R has units of potential difference per unit current and C has units of charge per unir potential difference, show that RC has units of time.
2- how could a resistance-capacitance combination be connected to produce an output voltage which is the time integral of the input voltage?
3-how might the internal resistance of the square-wave generator be measured?
 
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Sounds like a homework question to me. Good luck.
 
I agree. Off you go to the Homework Forum! *kick* :biggrin:

e_sovalye: We have rules here regarding homework questions, which you agreed to before posting. Those rules state that you must show that you have attempted to answer your own question before receiving help.

So, post some of your thoughts on this and we'll get cracking on helping you!

Thanks,

TM
 
e_sovalye said:
1-using the facts that R has units of potential difference per unit current and C has units of charge per unir potential difference, show that RC has units of time.
2- how could a resistance-capacitance combination be connected to produce an output voltage which is the time integral of the input voltage?
3-how might the internal resistance of the square-wave generator be measured?

For 1, look into something called the "RC Time constant," usually notated by Tau.

For the others, what work have you done? What ideas can you come up with?
 

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