What does these mathematic simbol meens?

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SUMMARY

The discussion clarifies the meaning of the parallel lines symbol, indicating a 1k ohm resistor in parallel with a 2k ohm resistor. The formula for calculating parallel resistors is provided as 1/R=1/R1+1/R2+...+1/Rn, with a simplified equation for two resistors: R=R1*R2/(R1+R2). The example calculation yields a result of 0.005625 ohms, demonstrating the application of these formulas in practical scenarios.

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Hi.

It means that you have a 1k ohm resistor in parallel with a 2k ohm resistor.
To calculate parallel resistors use 1/R=1/R1+1/R2+ ... +1/Rn.
For just two resistors you can use R=R1*R2/(R1+R2).
So you equation reads 15/(2000 + (1000*2000)/(1000 + 2000))=0.005625
Hope this helps.
 
thanks
 

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