Question

In Figures 28.4 and 28.6, let R1-14.0 Ω, let R2-22.0 Ω, and let the battery have 룝 terminal voltege of 38.0 V, (a) In the parallel circuit shown in Figure 28.6, to which resistor is more power delivered? 1-2- R2 Calculate the sum of the power (r2R) delivered to each resistor. differs from the correct answer by more than 10%. Double check your calculations, w Figure 28.4 Calculate the power supplied by the battery (1 W (c) In the series circuit, which resistor uses more power? O R (d) Calculate the sum of the power(R) used by each rasistor. Calculate the power supplied by the battery (1 Δ W (e) Which circuit configuration uses more power? parallal lr) Figure 28.6

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Answer #1

According to the given problem,

A) Answer: R1 as P = V2/R and R1<R2

B) P1 = 382/14 = 103.143 W and P2 = 382/22 = 65.63W

Sum = 168.78W

C)Answer: R2 as P = I2*R and I = 38/[14+22] = 1.056A and R2>R1

D) P1 = 1.0562*14 = 15.6W and P2 = 1.0562*22 = 24.5W

Sum = 40.11W

E ) BY D and B you can say Parallel

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