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8 Energy – forces doing work

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Question 24

An electric toaster has a power rating of 800 W while it is working normally.

Which statement correctly interprets this rating?

[1]
A

It transfers 800 J800\ \mathrm{J}800 J of energy altogether whenever it is switched on.

B

It transfers 800 J800\ \mathrm{J}800 J of energy each second.

C

It transfers 800 kJ800\ \mathrm{kJ}800 kJ of energy each second.

D

It transfers 800 J800\ \mathrm{J}800 J of energy each minute.

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8 Energy – forces doing work Questions

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

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