Assume i₁=10mA, i2=50mA, R₁=1kQ, R₂=2kN, R3=10kN, R4=2kQ for the following circuit. i) How many nodes does the following circuit have? ii) Find all node voltages using node analysis technique. iii) Find the current flowing through the R₂ resistor. iv) Find out the power delivered/absorbed by the R₂ resistor. i₁ ww R3 ww R₂ ww R₁ ww R4 12

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