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- Series combination of resistors

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**RESISTANCE OF A SYSTEM OF RESISTORS:-**

There are two methods of joining the resistors together: series & parallel.

**Resistors in Series:**

The total resistance of the system is equal to the sum of the resistance of all the resistors in the system.

If the total resistance is R

Resistance = R1,R2,R3,......Rn

Therefore R=R1+R2+R3+.......+Rn

In series the Voltage (V) varies and current (I) remains the same.