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1.7.1a Energy stores and energy transfers

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Question 126

An electric fan transfers energy from a mains electrical supply to the kinetic energy store of its rotating blades.

A catapult transfers energy from an elastic potential energy store to the kinetic energy store of a launched stone.

What pathways enable these energy transfers?

A

Electric fan: mechanical work; Catapult: electrical work

B

Electric fan: electrical work; Catapult: mechanical work

C

Electric fan: electrical work; Catapult: electrical work

D

Electric fan: mechanical work; Catapult: mechanical work

Markscheme

1.7.1a Energy stores and energy transfers Questions

  1. IGCSE
  2. /Physics
  3. /1.7.1a Energy stores and energy transfers

229 exam-style questions on CIE IGCSE Physics 1.7.1a Energy stores and energy transfers. Each one has a worked solution and a mark scheme showing where the marks go.

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