Physics · Oct / Nov 2017 · Paper 22 · Question 4
5054
As printed in the paper
The question as text
A 75 W filament lamp in an office is accidentally left switched on for 63 hours when the office is closed.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
4(a)(i)[3]
4(a)(ii)[1]
4(b)(i)[1]
4(b)(ii)[2]
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