Physics - What is the power loss in the cables?

  • Paper 1 HL
  • Oct 2020
  • 203 회
  • 0 건

A power station generates 250kW of power at a potential difference of 25kV. The energy is  transmitted through cables of total resistance 4.0Ω.What is the power loss in the cables?
 

A power station generates 250kW of power at a potential difference of 25kV. The energy is transmitted through cables of total resistance 4.0Ω. 

What is the power loss in the cables?


Wednesday 28 October 2020 (Paper 1 HL)