Week 5 Term 3 2024 AC Electricity

Homework

Basic Circuit Revision

• Act 13A, p.205-206 Level 2 D.C. Circuit Revision

Internal Resistance of a Battery

• Act 13B, p.210-211 Internal Resistance of a Battery

• Ex 6B, P.261-262 Internal Resistance of a Battery

Resistor Networks (Resistors in Series and Parallel)

• Ex 6A, p.251-253 Resistor Networks

Kirchhoff’s Laws

• Act 13C, p.214-216 Kirchhoff's Laws

• Ex 6C, p.267-272 Kirchhoff's Laws

Capacitors

• Act 14A, p.240 Capacitance & Capacitors

• Act 14B, p.244-245 Capacitor Networks & Energy

• Act 14C, p.249-251 Charging & Discharging Capacitors

• Ex 6D, p.277-280 Capacitor Energy

• Ex 6E, p.283-284 Capacitors

• Ex 6F, p.289-292 Capacitor Networks

• Ex 6G, p.298-300 Charging & Discharging Capacitors

Inductors

• Act 15A, p.259-260 Induced Voltage & Current

• Act 15B, p.263-264 Transformers

• Act 15C, p.268-269 Inductance

• Act 15D, p.272-273 Voltage and Current Graphs for the Inductor

• Ex 6H, p.303-305 Inductance in DC Circuits

• Ex 6I, 308-310 Inductance: Self; Mutual; Time Constant; Energy Stored

• Ex 6J, p.311-312 Transformers

AC Electricity

• Act 16A, p.265-266 Peak and rms voltage and current

• Act 16B, p.260 Capacitor Reactance

• Act 16C, p.275-276 Voltage and Current in a RC circuit

• Act 16D, p.279 Voltage Current and Impedance in a RC circuit

• Act 16E, p.282 Inductor Reactance

• Act 16F, p.286-287 Voltage Current and Impedance in a RL circuit

• Act 16G, p.289 The LCR series circuit

• Act 16H, 293-296 Resonance

• Ex 6L, p.316-317, RC Circuits

• Ex 6M, 319-320, LC Circuits

• Ex 6N, 321-324, LCR Circuits

Capacitor Reactance

Inductor Reactance

Resistors in AC Circuits

Capacitors in AC Circuits

Inductors in AC Circuits

RCL in AC Circuits - Part 1

RCL in AC Circuits - Part 2

Capacitors in AC Circuits - Part 3

Inductors in AC Circuits - Part 3

RC in AC Circuits - Part 4

RL in AC CIrcuits - Part 4

RCL in AC Circuits - Part 3

Summary of RCL Circuits

RCL Resonance

Faradays Law PhET Application

RCL Phase Relationships

MIT Mathlet on RCL Phase Relationships - Interactive

UNSW Animations for RCL Phase Relationships

Impedance of a Capacitor Resistor Circuit

Z = √(XC2 + R2)

θ = tan-1(-XC/R) = tan-1(-VC/VR)

The Capacitor Reactance is 90° behind the Resistance

The Capacitor Voltage is 90° behind the Resistor Voltage

Impedance of a Inductor Resistor Circuit

Z = √(XL2 + R2)

θ = tan-1(XL/R) = tan-1(VL/VR)

The Inductor Reactance is 90° ahead of the Resistance

The Inductor Voltage is 90° ahead of the Resistor Voltage

Impedance of a RCL Circuit

Z = √((XL - XC)2+ R2)

θ = tan-1((XL - XC)/R) = tan-1((VL - VC)/VR)

Resonance

Understanding Inductance and Back EMF

A.C. Circuits & Resonance