State the law of combination of resistors in parallel.

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The law of combination of resistors in parallel:-
Two or more resistors are said to be connected in parallel if the same potential difference exists across all the resistors which means one end of a resistor is connected to one end of the other or more resistors and second end of the first resistor is connected to the second end of other or more resistors.
Current flowing through each resistor is different but the sum of currents flowing through all the resistors is equal to the total current flowing in the circuit.
The mathematical expression for the parallel combination of resistors is given by, $\frac{1}{R_{p}} = \frac{1}{R_{1}} + \frac{1}{R_{2}} + \frac{1}{R_{3}}$ where $R_{p}$ is the equivalent resistance of parallel combination of resistors, $R_{1}$ , $R_{2}$ and $R_{3}$ are the component resistance which are connected in parallel.

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