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chapter21-web1

# chapter21-web1 - Chapter 21 1 2 3 4 5 6 7 8 9 10...

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1 Chapter 21 Alternating Current Circuits and Electromagnetic Waves 1. Alternating Current 2. Resistor in an AC circuit 3. Capacitor in an AC circuit 4. Inductor in an AC circuit 5. RLC series circuit 6. Resonance 7. Transformer 8. Electromagnetic waves 9. Properties of electromagnetic waves 10. Doppler effect and electromagnetic waves

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2 AC Circuit square6 What is alternating current? square6 What is an AC circuit?
3 Resistor in an AC Circuit square6 What is it? square6 The voltage source square6 The concept of phase square6 Behavior of the resistor square6 What is the power dissipated by the resistor? square6 What is rms current? square6 Why do we need it? square6 What is the average power? square6 What about ohm’s law?

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4 Example – rms Current 1. For the circuit show, calculate the maximum current and voltage, rms current and voltage and rms power.
5 Capacitors in an AC Circuit square6 Behavior of the capacitor square6 What is the Voltage and Current relationship? square6 What is capacitive reactance? square6 How do I calculate it? square6 How do I use ohm’s law?

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6 Inductors in an AC Circuit square6 Behavior of the inductor square6 Voltage and current relationship square6 What is inductive reactance? square6 How do I calculate it? square6 How do I apply ohm’s law?
7 Example - Inductor 1. In a purely inductive ac circuit as shown, V max =100V.

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chapter21-web1 - Chapter 21 1 2 3 4 5 6 7 8 9 10...

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