The National Grid

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Description

Before watching this video, please ensure that you have understood the following topics:

  • Electric charge and current; Potential difference, current and resistance; Power and energy transfers (Electricity)
  • Work done; Power and efficiency (Energy)

We know that electricity is generated in power stations, and that we (very conveniently) receive electrical energy via electrical sockets, but what happens in between these two points?

Key Words

energy, power, dissipate, dissipation, efficiency, current, potential difference, National Grid, power station, consumer, transformer, cable, high voltage, step-up transformer, step-down transformer, power loss, efficient