Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 163261

Use this tag for circuits that only contain passive components, such as resistors, capacitors, and inductors. This includes RC, RL, LC, and RLC circuits.

0 votes
2 answers
232 views

Trying to understand the critically damped equations of a RLC circuit

I am trying to understand the equations of the critically damped equations of a RLC circuit here I see this part on page 16 The part I do not understand is this one: How can part of the equatio …
Duck's user avatar
  • 847
1 vote
2 answers
239 views

Trying to understand why the signal was inverted on this RC step response equation

I am watching this video where the guy is deriving the equations for the step function of a series RC circuit. At some point he has the following equation: \$ \frac{dt}{RC} = \frac{dv}{v_s - v} …
Duck's user avatar
  • 847
1 vote
1 answer
152 views

Trying to understand the magic the author of this PDF did explaining the critically damped e...

I am reading this doc about the equations for the step function for the RLC circuit, critically damped solution. At page 16 we have these lines... But there is a magic between these lines... Ho …
Duck's user avatar
  • 847
0 votes
1 answer
2k views

What is the meaning of current at infinite time for a series RLC circuit formula

I am reading this doc. At one point, the author says the current equation form a critically damped series RLC circuit when a step function is applied is: \$ I_L(t) = I_{\infty} + (B_1 + B_2t)e^{-\al …
Duck's user avatar
  • 847
0 votes
2 answers
1k views

Why exactly a RLC Circuit powered by DC oscillates?

First sorry if the question is stupid... I am learning. I am trying to visualize here, without equations, what happens to a RLC circuit that makes it oscillate. Consider a RLC circuit, a switch and …
Duck's user avatar
  • 847
0 votes
1 answer
176 views

How do I calculate the unknowns of the current equation for a RLC series circuit?

Suppose I was dealing with the following voltage equation for the RLC series circuit: \$ v(t) = Ae^{m_1t} + Be^{m_2t} + V_s \$ To know the values of A and B I would do the two initial conditions: …
Duck's user avatar
  • 847
1 vote
1 answer
73 views

Finding the unknowns of a current equation leads to non-sense

Suppose a series RLC circuit that is critically damped. Circuit is RLC in series with a DC voltage source \$ V_S \$ and a switch initially open. Capacitor and inductor are both discharged. at t=0 th …
Duck's user avatar
  • 847
0 votes
1 answer
519 views

How do I find the current equations for the RLC Series Circuit?

Let's talk about a RLC series circuit. R, L and C are in series with a battery and a switch. The switch is open. L and C are discharged. At t=0, the switch is closed and the battery (V1) feeds the ci …
Duck's user avatar
  • 847
0 votes
2 answers
216 views

What are the initial conditions used to find the coefficients in the current equations?

Suppose a RLC series circuit. R, L and C are in series with a battery and a switch. The switch is open. L and C are discharged. At t=0, the switch is closed and the battery (V1) feeds the circuit. I …
Duck's user avatar
  • 847
0 votes
2 answers
895 views

Simulating all transient solutions for RLC series circuits

I am reading this page that contains the transient solutions for RLC series circuits: over-damped, critically damped and under-dumped. This site presents these graphics for the 3 cases: Then I h …
Duck's user avatar
  • 847
0 votes
1 answer
150 views

Trying to understand the transient current equation on a RLC circuit

I am reading this doc I see this magic happening on the third line of equations... How in the name of Math, does this \$ Ae^{st} \$ appeared there? Magic?
Duck's user avatar
  • 847
1 vote
1 answer
133 views

Trying to solve a RL circuit by hand but simulator calculates a value I do not understand

I have this circuit. V3 is just a trigger to close the switch, just ignore it. The switch is open for a long time. So, the left part of the circuit is working for a long time and the inductor is fu …
Duck's user avatar
  • 847