What is the output obtained across the resistor on a oscilloscpoe for a circuit with 3 voltage sources and a resitor in series.
the sources being
V1= 10sin(5t) v
V2=6sin(2t) v
V3=-6v
R= 1k

Question

What is the output obtained across the resistor on a oscilloscpoe for a circuit with 3 voltage sources and a resitor in series.
the sources being
V1= 10sin(5t)  v
V2=6sin(2t) v
V3=-6v
R= 1k

kenljw · Answer

I impedance of OS is Z then what you see is
(V1 + V2 +V3) Z/(Z + R)

anonymous · Answer

Use voltage divider rule for combination of three internal resistances of voltage sources in series with  the 1 k ohm resistor. Also you can get more accurate results if you include oscilloscope's input impedance in parallel with 1 k ohm resistor.