Physics 0625 · IGCSE · Energy, work and power

Energy, work and power — practice question

(a(i))[2]

Show that the useful power output from the power station is about 1100 MW.

(a(ii))[2]

Calculate the efficiency for the power station.

(b)[2]

Describe how useful energy can be obtained from geothermal resources.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: (wasted power =) 2200 + 40 + 25 OR 2265 OR (useful power output =) power input minus wasted power

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