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1.7 Energy, work and power

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Question 223

In a nuclear power station, nuclear fission is used to generate electricity. Which of the following sequences correctly shows how energy is transferred through different forms in this process?

A

nuclear energy→thermal energy→kinetic energy→electrical energy\text{nuclear energy} \rightarrow \text{thermal energy} \rightarrow \text{kinetic energy} \rightarrow \text{electrical energy}nuclear energy→thermal energy→kinetic energy→electrical energy

B

nuclear energy→kinetic energy→thermal energy→electrical energy\text{nuclear energy} \rightarrow \text{kinetic energy} \rightarrow \text{thermal energy} \rightarrow \text{electrical energy}nuclear energy→kinetic energy→thermal energy→electrical energy

C

thermal energy→nuclear energy→kinetic energy→electrical energy\text{thermal energy} \rightarrow \text{nuclear energy} \rightarrow \text{kinetic energy} \rightarrow \text{electrical energy}thermal energy→nuclear energy→kinetic energy→electrical energy

D

nuclear energy→electrical energy→thermal energy→kinetic energy\text{nuclear energy} \rightarrow \text{electrical energy} \rightarrow \text{thermal energy} \rightarrow \text{kinetic energy}nuclear energy→electrical energy→thermal energy→kinetic energy

Markscheme

1.7 Energy, work and power Questions

  1. IGCSE
  2. /Physics
  3. /1.7 Energy, work and power

533 exam-style questions on CIE IGCSE Physics 1.7 Energy, work and power, covering 1.7.1a Energy stores and energy transfers, 1.7.1b Conservation of energy, 1.7.1c Kinetic and gravitational potential energy, 1.7.2 Work done, 1.7.3 Energy resources, 1.7.3a Energy resources and electricity generation, 1.7.3b Nuclear fusion as an energy source, 1.7.3c Efficiency of energy transfer, and 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.

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