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Linear Circuits I

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Problem 9 of 14

Nodal Analysis: Voltage Across a Resistor

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Use nodal analysis to find v1v_1 across R1R_1 (polarity as marked), in volts.

V1​55 VR1​4 Ω+−v1​R2​6 ΩR3​20 ΩV2​30 VR4​12 Ωis​2 AvX​vY​
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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