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Current Divider Calculator

Current divider calculator is an easy-to-use online engineering tool to help you estimate the current flowing through each resistor of up to ten resistors connected in parallel.

According to Ohm's law, in a parallel resistive circuit, the current flowing through a path is:

I_i = V / R_i,

where:

I_i – the current flowing through a path (resistor);
V – voltage across the path (resistor);
R_i – resistance of the path.

In a parallel circuit, the voltage (V) remains the same across all resistors and is equal to the product of the source current (I) and the circuit's total resistance (R_total):

V = I × R_total.

The total resistance (R_total) of the parallel circuit is:

1 / R_total = 1 / R₁ + 1 / R₂ + … + 1 / R_n

To find the relationships between electric current (I), voltage (V) and resistance (R) across a given conductor use our online Ohm's Law Calculator.

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