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These resistors are said to be in parallel, and as before, it is possible to consider them as one single equivalent resistor R eq . To find this equivalent resistor, we exploit the fact from charge conservation that I = I1 + I2 . Using again Ohm's law (17.3), as well as the point that the potential difference across R1 and R2 is the same, we find this becomes
= + = + | (9) |
= + +...+ | (10) |