Physics A
The work done or energy transferred per unit charge between two points in a circuit, measured in Volts (V).
Series and parallel circuits
Circuit components
Mains wires
AC vs DC
Domestic supply
High voltage transmission
Grid efficiency
Transformers in National Grid
Electrical safety
Energy waste in devices
Energy changes by heating and work
Resistance in series and parallel
Ohm's law relationship
Testing circuits
Series vs parallel circuits
Current in closed loop
Electric fields
Electron transfer
Static electricity production
Energy calculations
Circuit design for resistance effects
Applying electrical equations
Calculating circuit values
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