![software - Resistor calculator to get close to a final value? - Electrical Engineering Stack Exchange software - Resistor calculator to get close to a final value? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/C1oCu.png)
software - Resistor calculator to get close to a final value? - Electrical Engineering Stack Exchange
![SOLVED: If two voltmeters are available, one with a resistance of 1 kilo-Ohm and the other with a resistance of 1 Mega-Ohm, which instrument should be selected if the indicated value is SOLVED: If two voltmeters are available, one with a resistance of 1 kilo-Ohm and the other with a resistance of 1 Mega-Ohm, which instrument should be selected if the indicated value is](https://cdn.numerade.com/ask_images/acf745df9a7146dba617718a3cfd4171.jpg)
SOLVED: If two voltmeters are available, one with a resistance of 1 kilo-Ohm and the other with a resistance of 1 Mega-Ohm, which instrument should be selected if the indicated value is
![What is the logic behind choosing standard resistor values? I feel it is totally random. The closest standard resistor value here is 130k, but this guy chooses 121k. Why is that? : What is the logic behind choosing standard resistor values? I feel it is totally random. The closest standard resistor value here is 130k, but this guy chooses 121k. Why is that? :](https://preview.redd.it/j2becnyvv8771.jpg?auto=webp&s=11597647d8ce66e85971b0675e1434834e695211)
What is the logic behind choosing standard resistor values? I feel it is totally random. The closest standard resistor value here is 130k, but this guy chooses 121k. Why is that? :
![SOLVED: Text: FINAL ANSWER VTH=8 V ; R0=RTH=2500 Ω; Pmax=6.4 mW Rclosest =2700 Ω and p=6.391 mW 4.82 The variable resistor in the circuit in Fig. P4.82 is PSPICE adjusted for maximum SOLVED: Text: FINAL ANSWER VTH=8 V ; R0=RTH=2500 Ω; Pmax=6.4 mW Rclosest =2700 Ω and p=6.391 mW 4.82 The variable resistor in the circuit in Fig. P4.82 is PSPICE adjusted for maximum](https://cdn.numerade.com/ask_images/c8ec082f143f441baf0a3631530a1400.jpg)