Two capacitors R1 4 Omega and R2 5 Omega are co... - JAMB Physics 1994 Question
Two capacitors R1 = 4(\Omega) and R2 = 5(\Omega) are connected in parallel across a potential difference. If P1 and P2 represent power dissipated in R 1 and R2 respectively, then the ratio P1 : P2 is
A
4 : 5
B
5 : 4
C
16 : 25
D
25 : 16
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Correct Option: B
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
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