All Questions
Tagged with circuit-theory resistors
7 questions
3
votes
1
answer
175
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Resistive network with two voltage sources
Update: (I updated the description/Question for clarity)
I am currently stuck trying to solve a seemingly simple resistive network. The voltages U1 and U2, aswell as Rr are known. The unknown ...
8
votes
4
answers
3k
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Does a resistor between two pairs of series resistors affect the equivalent resistance?
For the below DC circuit, does the 1Ω resistor in the middle have an effect on the equivalent resistance?
If it does, how would you calculate the equivalent resistance? The rules for series and ...
- 191
0
votes
2
answers
277
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How to find a missing resistor?
This seems to be a really simple question. I'm not really sure where I went wrong in my solution. Please forgive me if this seems irritatingly simple, I've only just started learning about electric ...
1
vote
1
answer
291
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How to simplify this complex DC circuit?
I find it very hard to simplify this circuit. Currently practicing for my removal exam and this was one of the problems I failed on one of my previous exams.
Especially the middle part makes me so ...
0
votes
1
answer
188
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Diodes and resistors theory
I came across a problem which I cannot calculate by theory.
How does this circuit with diodes and resistors work?
In the above diahram, I can calculate the current simply by subtracting the voltage ...
- 45
2
votes
1
answer
93
views
Maximum error of nominal resistor combinations
Suppose you have resistors which have nominal values of \$R_0\$ or \$2R_0\$ but can vary to be anywhere between \$(1 ± .03)R_0\$ or \$(2 ± .06)R_0\$, respectively, so each can have about 3% error.
...
- 705
0
votes
1
answer
51
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Current going into the positive pole of a battery while discharging a capacitor
Please bear with me if this is a fundamental question.
Let's suppose we have an RC circuit, charging a capacitor up to the voltage of a battery of 9V. The capacitor is currently at 9V, we switch the ...
- 341