P4.2 Current & Charge
Electrical Circuit Symbols
What is a Voltmeter & Ammeter
The Difference Between Electrons & Charge
What is Electric Current?
How Metallic Bonding Explains Electric Current
Electron Flow vs Conventional Current
What Are Series & Parallel Circuits?
Current, Charge Flow & Time Equation 1
Current, Charge Flow & Time Equation 2
P4.3 Potential Difference & Resistance
What is Potential Difference?
Pd, Energy Transferred & Charge Equation 1
Pd, Energy Transferred & Charge Equation 2
Difference Between Cells & Batteries
What Is Resistance?
Resistance, Current & Pd Equation
Worked Example Resistance, Current & Pd Equation
What Causes Resistance To Increase or Decrease?
What is Ohm's Law
Interpreting Ohm's Law Graph
4.4 Component Characteristics
How Filament Lamps Affect Resistance
What is a Light-Emitting Diode?
How Diodes Affect Resistance
Light Dependent Resistors (LDRs)
4.5 Series Circuits
What is a Series & Parallel Circuit?
Current in Series Circuits
Potential Difference in Series Circuits
Resistors in Series Circuits
4.6 Parallel Circuits
Current In Parallel Circuits
Potential Difference in Parallel Circuits
Resistance in Parallel Circuits
5.1 Alternating Current
Comparing Direct (DC) & Alternating (AC) Current
The National Grid
Meeting Demand in The National Grid
5.2 Cables & Plugs
Mains Appliances & Wall Socket Circuit
5.3 Electrical Power & Potential Difference
Introducing Electrical Power Equation 1
Power, Energy, Time Equation 2
Worked Examples of Electrical Power Equation
How To Choose The Right Fuse
Worked Examples of How to Chose The Right Fuse
Heating Effect Due To Heating
How Current Affects Transmission of Power
5.4 Electrical Current & Energy Transfers
Energy Transfer In a Circuit
Worked Examples of Energy Transfer in a Circuit
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