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Q&A

Posts tagged resistance

Synonyms: electrical-resistance

Anything about electrical resistance, i.e. the electrical parameter that relates currents in conductors and the voltage drop they generate. It's also a measure of the opposition that a conductor exerts on the currents flowing through it.

Resistance is the main parameter of a resistor, but it's also a parameter used in other situations like the description of parasitic effects in the practical realization of circuits (e.g. the resistance of the winding of an inductor or the resistance of the traces on a PCB).
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Q&A estimation of pogo pin resistance

Is there a scientific way to estimate the resistance of a pogo pin? If it was a solid cylinder or wire one could calculate the resistance: R = ρ × L / A But a pogo pin is hollow inside, the sp...

2 answers  ·  posted 5mo ago by dekker‭  ·  last activity 4mo ago by TonyStewart‭

Question resistance
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Q&A Choosing Y value in photoresistor graph

I have designed a graph of the current in a photoresistor related to the brightness of light which hits the photoresistor. Our professor told us that it is more correct to draw the Current/Brigh...

1 answer  ·  posted 2y ago by MissMulan‭  ·  last activity 2y ago by Olin Lathrop‭

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Q&A Resistance of digital ampmeter

Can we find the internal resistance of a multimeter ,when we use the multimeter like a ampmeter, from its datasheet? I am trying to find the internal resistance of IDM 505 and I went to the datash...

2 answers  ·  posted 2y ago by MissMulan‭  ·  edited 2y ago by Canina‭