Physics · Oct / Nov 2016 · Paper 21 · Question 7
5054
As printed in the paper
The question as text
The a.c. mains electricity system in a house consists of three wires: the live, the neutral and the earth.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
7(a)(i)[1]
7(a)(ii)[1]
7(b)(i)[2]
7(b)(ii)[2]
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