Week4Lab2ParallelResonanceInstructions.docx

Electric Circuits Lab

Parallel Resonance

I. Objectives:

After completing this lab experiment using, you should be able to:

1. Observe the effect of frequency on impedance.

2. Observe the effect of Quality factor on parallel resonance.

3. Calculate and verify the resonant frequency in a parallel LC circuit.

4. Identify the phase relation between current and voltage in a parallel LC circuit.

II. Parts List:

1. Resistor (2) 1 Ω, (1) 100 Ω, (1) 500 Ω.

2. Inductor (1) 100 mH.

3. Capacitor (1) 47 nF.

III. Procedures:

Part I:

1. Connect the following circuit in Multisim.

Figure 1: Parallel LC Circuit

2.