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Test 1 - Review

Test 1 - Review. ECE 2110 Western Michigan University. For the LR circuit solve for the V R2 . . 1. Start by solving for the impedance (Z) formed by L 1 and R 2 . 2. Use voltage divider to solve for V R2. Choose V R2. Choose Z. Solve for Z TH across AB. .

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Test 1 - Review

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  1. Test 1 - Review ECE 2110 Western Michigan University

  2. For the LR circuit solve for the VR2. 1. Start by solving for the impedance (Z) formed by L1 and R2. 2. Use voltage divider to solve for VR2. Choose VR2 Choose Z

  3. Solve for ZTH across AB. 1. What should be done with the voltage source? Choose the correct circuit A B

  4. Solve for ZTH across AB. 2. Now solve for the impedance (Z) seen at AB? Choose ZTH

  5. Nodal Analysis Solve for the node voltage at A. Solve for the impedance Z formed by L1 and R2. Write the Node equation at A. Choose Z Choose The Node Equation

  6. Resistor Man’s love of toaster strudels has lead him to fish out his morning pastry with a metal knife into a poorly insulated toaster. The knife in his right hand touches a metal heating coil at 120v and his left foot is at 0v. 1. Solve for the current through Resistor Man . 40kW 40kW Choose I 80kW 120v 60kW 60kW 0v

  7. A high voltage power line carries 2kA. What is the minimum safe distance to build a house by if the max B-field allowable is 150mG? 1. Convert Gauss’ to a unit of Tesla. 2. Solve for distance . Choose B-field in Tesla Choose distance in meters

  8. An unbalanced three phase load is connected to a 480v at 60Hz. Solve for the line currents through each load and the Neutral. 1. Find the Line to Neutral. Z Choose Line to Neutral A Z Z 2. Solve for IA Choose IA N B C

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