# What happens to the total resistance when a fourth resistor is connected in a series with three resistors?

According to what we know, when a resistor is connected in series,

R_n is equal to R_1 + R_2 + R_3.

I assume that the resistance of the fourth resistor is the same as that of the first three.

given that

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When a fourth resistor is connected in series with three resistors, the total resistance increases. This is because in a series circuit, the total resistance is the sum of the individual resistances. Adding another resistor increases the total resistance that the current must overcome to pass through the circuit.

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