# How many times the resistance of a circuit composed of 25 different resistances is connected in series

December 29, 2020 | education

| **How many times the resistance of a circuit composed of 25 different resistances is connected in series, more than the resistances of a circuit obtained in parallel by connecting these resistances.**

If the resistances are equal, then the total resistance in series connection is 25R, where R is the resistance of the resistor

And for parallel connection, the total resistance is R / 25

Then the resistance of the series circuit is 625 times greater

If the resistance is different, then the resistance of the series chain is equal to the sum of the resistances, and the parallel one: R1 * R2 …. * R25 / R1 + R2 …. + R25

Then the resistance of the series chain is greater in (R1 + R2 …. + R25) ^ 2 / R1 * R2 …. * R25 times

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