A. Circuit A 1. Circuit A is shown in the gure. Build this circuit and then use the ammeter to nd the three currents and use the voltmeter to measure the voltage across each resistor. Record your results in an EXCEL chart. R1:3Q 2. Find the power supplied by each emf and the power absorbed by each resistor. Record these in your EXCEL chart. Use P = IV and have EXCEL do the calculations. 3. What is the total power supplied to the circuit? What is the total power absorbed by the circuit? Is energy conserved? 4. You want to reduce the current through the 12 V emf to 1.00 A by adjusting the value of R1. Use the simulation to fmd this value and record it below. R1: PHYS 410 Electric Circuits Lab 1 5. Return R1 to its original value of 3.0 Q. Use the simulation to adjust the value of R2 to reduce the current through the 12 V emf to 1.00 A. Record this below. DU Id || 6. Return R2 to its original value of 4.0 Q. Use the simulation to adjust the value of R3 to reduce the current through the 12 V emf to 1.00 A. Record this below. R3: B. Circuit B 1. Circuit B is the same as circuit A but now we want 13 = 0.50 A, directed down. See figure. This can be accomplished by adjusting the value of the emf on the right. Use the simulation to find the value of & to achieve this. 12 13 = 0.50 A + 12V R2= 40 &= ? R1 = 30 R3 = 20 WWW 8 = PHYS 410 - Electric Circuits Lab N 2. Use the ammeter to find the three currents and use the voltmeter to measure the voltage across each resistor. Record your results in an EXCEL chart. 3. Find the power supplied by each emf and the power absorbed by each resistor. Record these in your EXCEL chart. Use P = IV and have EXCEL do the calculations. 4. What is the total power supplied to the circuit? What is the total power absorbed by the circuit? Is energy conserved? Be careful: Note that the current enters the (+) terminal of the & and leaves the (-) terminal of &. Does this mean it supplies or absorbs power