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Earlier discussion
1 older comment kept for context.
Oluwaseun Adeyemi
P1 = \(\frac{V^2_1}{R_1}\) and P2 = \(\frac{V^2_2}{R_2}\)
P1R1 = P2R2
4P1 = 5P2
\(\frac{p_1}{p_2}\) = \(\frac{5}{4}\)
= 5 : 4