Physics 0625 · IGCSE · Energy, work and power

Energy, work and power — practice question

A wind turbine has an efficiency of $30\%$ and produces an electrical power output of $2.5\,\text{MW}$. What is the power input to the turbine?

  • A$0.75\,\text{MW}$
  • B$8.3\,\text{MW}$
  • C$75\,\text{MW}$
  • D$83\,\text{MW}$

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