Physics (AS & A Level) · Oct / Nov 2025 · Paper 42 · Question 7
9702
As printed in the paper
The question as text
An alternating voltage V varies with time t according to V = 18 cos 40 πt where V is in V and t is in s.
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)[3]
7(c)[3]
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