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8 Energy – forces doing work

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Question 20

Energy is transferred electrically and then mechanically in one of these arrangements. Which arrangement is it?

[1]
A

A power supply runs a heating element that warms a metal plate.

B

A power supply runs a motor that holds a crate still in the air.

C

A power supply runs a filament lamp that illuminates a screen.

D

A power supply runs a motor that rotates a pottery wheel.

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8 Energy – forces doing work Questions

  1. GCSE
  2. /Physics
  3. /8 Energy – forces doing work

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