Consider the following figure. Find the equivalent resistance between points a a

Question

Consider the following figure. Find the equivalent resistance between points a and b in the figure, (R = 12.5 Ohm) Calculate the current in each resistor if a potential difference of 79.0 V is applied between points a and b. The 7.00-Ohm and the R = 12.5 Ohm resistors between points c and d in the figure above are connected in parallel with each other. Thus we can redraw the figure, as shown in the diagram below where Rcd is the equivalent resistance between points c and d in the original figure. For the equivalent resistance, we have Rcd = = Ohm. This resistance is in series with the 4.00-Ohm and the 9.00-Ohm resistors as shown in the diagram in this step. Let R4 represent the 4.00-Ohm resistance and R9 the 9.00-Ohm resistance. The total resistance Rab between points a and b is then Rab = R4 + Rcd + R9 4.00 Ohm + Ohm + 9.00 Ohm = Ohm.

Explanation / Answer

first blank: 12.5 ohms second blank: 4.49 ohms third blank: 4.49 ohms 4th blank : 17.5 ohms

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