Problem 31.20 Part A What is the value of resistor R in the figure(Figure 1) if

Question

Problem 31.20

Part A

What is the value of resistor R in the figure(Figure 1) if V=6V and I=3A?

Express your answer using two significant figures.

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Figure 1 of 1

Problem 31.20

Part A

What is the value of resistor R in the figure(Figure 1) if V=6V and I=3A?

Express your answer using two significant figures.

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Figure 1 of 1

Explanation / Answer

1/Requ = 1/10 + 1/15 + 1/R

From Ohm's Law V = I Requ

Requ + V / I = 6 / 3

1/Requ = 3 / 6 = 1/10 + 1/15 + 1/R

3 / 6 - 1/10 - 1/15 = 1/R

R = 3.0 ohms

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