In this part, you will observe and record the typical characteristics ofa series RL circuit. You wil

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In this part, you will observe and record the typical characteristics ofa series RL circuit. You will determine the impedance

3- Adjust the time scale and magnitude of both channels to have one complete cycle on the screen. Measure the time period of

In this part, you will observe and record the typical characteristics ofa series RL circuit. You will determine the impedance of the circuit as the frequency of the source is varied. The inductive reactance can be cal culated using Ohm's law (XL- V/IL). Construct the circuit of Figure 8.3 with meters connected as shown to measure voltage and current. R1 mA + 1.5kohm L1 VAC V 47mH Figure 8.3- Inductive Reactance, AC circuit 1- Set the AC voltage to 5 Vrms and the frequency to 1 kHz. Measure the current and voltage across the inductor. Record data in Table 8.3. Calculate the inductor reactance and circuit impedance (Z). Repeat as you set the frequency to 2 kHz. Table 8.3- Inductive Reactance and Impedance Voltage VL (Measured) Frequency Current I Impedance Z (V/I) Reactance Impedance Z (Z-VR2+XL2) (Measured) XL (VIJI) 1KHZ 2KHZ 2- Turn off the power source and remove the meters. Connect a dual channel scope as shown in Figure 8.4. Make sure to connect the probe ground to the common ground of the circuit. Set the frequency of the source back to 5Vrms, frequency to 1 kHz and make observations of the voltages displayed on the screen. You are now ready to analyze the two waveforms. R1 1.2k ohm L1 AC 50mH 3- Adjust the time scale and magnitude of both channels to have one complete cycle on the screen. Measure the time period of the signals, the time delay between signal peaks (as shown in Figure 8.5) and calculate the phase difference using equation provided below. Record results in Table 8.4. At-0.6ms MAV x(t) x(t) T- 4ms Figure 8.5-Illustration on measuring phase difference by observing the time difference between two signals when at their peaks. The time period is the same for both signal. Equation to compute phase difference: At 360 T Table 8.4- Measuring Phase Shift in Inductive Circuits Phase Shift 90-tan (XL/R) Inductor Peak Voltage Inductor RMS Voltage (Measured) Phase Shift -1 (Measured) (Calculated) Attach Multisim simulation with your report.

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