Electromagnetism Notes
4.1.2 Power in AC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
4.1.3 The RMS value of AC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.2 Capacitors in AC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.2.1 Voltage and current within the capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.2.2 Factors affecting the reactance of a capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
4.2.3 Phase relationiships in a capacitor-resistor circuit . . . . . . . . . . . . . . . . . . . . . . . . . . 31
4.2.4 Voltage relationship between the potential difference of the capacitor, resistor and the supply
voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
4.2.5 Current phase relationship . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
4.2.6 Impedance of an RC circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
4.3 Inductors in AC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4.3.1 Voltage and current in an inductor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4.3.2 Factors affecting te reactance of an inductor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.3.3 The phase relationship between VL and VR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.3.4 Impedance of an LR circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
4.4 LCR series circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
4.4.1 Resonance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
#Electromagnetism
#ElectricalEngineering
#Electricity
#PhysicalQuantities
#ElectricalResistanceAndConductance
#EnergyStorage
#Electrodynamics
#ElectronicEngineering
#Capacitor
#ElectricalImpedance
#Inductor
#ElectricalReactance
42 Pages
Complete Study Notes
Year Uploaded: 2022
#Electromagnetism
#ElectricalEngineering
#Electricity
#PhysicalQuantities
#ElectricalResistanceAndConductance
#EnergyStorage
#Electrodynamics
#ElectronicEngineering
#Capacitor
#ElectricalImpedance
#Inductor
#ElectricalReactance
42 Pages
Complete Study Notes
Year Uploaded: 2022This document is 50 Exchange Credits
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