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Linear Circuits I

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Problem 2 of 3

Three Sources Feeding One Node

Random numbersKCLMedium

Find the voltage vv of the top node (relative to the bottom wire), in volts. Watch the polarity of the middle source.

V1​6 VR1​8 kΩV2​5 VR2​4.7 kΩV3​20 VR3​2.2 kΩR4​10 kΩv
V

Answers within 2% are accepted. Units with SI prefixes work too, like 0.003 A or 3 mA. Use a minus sign for negative values.

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