EET 111L - AC Analysis Lab Assignment 1 Resistive Circuits Name: Date: Objective: To demonstrate that the circuit analysis techniques used for DC resistive circuits also work for AC resistive circuits. 1. Select a 1 k resistor and a 470 resistor, to be designated R1 and R2 respectively. Use the DMM to measure the actual resistance of these two resistors, and record their values below. R1 = ________, R2 = ________. 2. For the circuit shown in Figure 1, use the measured values of the two resistances to calculate total resistance RT, the current I, and the voltage drops across the two resistors, VR1 and VR2, and record below. Figure 1. Calculations: RT = ________ , I = ________ , VR1 = ________ , VR2 = ________ 3. Construct the circuit of Figure 1, and use the DMM to measure the current and the voltage across each resistor, and record below. I = ________ , VR1 = ________ , VR2 = ________ 4. Replace the DC supply with the function generator, set at 5 Vrms and 10 kHz with Hi Z output, repeat the measurements of Step 3, and record below. I = ________ , VR1 = ________ , VR2 = ________ (rms all) 5. Observe the voltage drops across each resistor using the DMM. What are their peak values? VR1 = ________ , VR2 = ________ (peak) 6. For the circuit shown in Figure 2, use the measured values of the two resistances to calculate total resistance RT, the supply current IS, the currents through the two resistors, I1 and I2, and the voltage drops across the two resistors, VR1 and VR2, and record below. Figure 2. Calculations: RT = ________ , IS = ________ , I1 = ________ , I2 = ________ VR1 = ________ , VR2 = ________ 7. Construct the circuit of Figure 2, and use the DMM to measure the supply current, the currents through each resistor, and the voltage across each resistor, and record below. IS = ________ , I1 = ________ , I2 = ________ VR1 = ________ , VR2 = ________ 8. Replace the DC supply with the function generator, set at 5 Vrms and 10 kHz with Hi Z output, repeat the measurements of Step 3, and record below. IS = ________ , I1 = ________ , I2 = ________ VR1 = ________ , VR2 = ________ (rms all) 9. Observe the voltage drops across each resistor using the DMM. What are their peak values? VR1 = ________ , VR2 = ________ (peak) Do your results with the AC supply (function generator) agree with your DC results? Do they agree with your calculated values