Parallel DC circuit include as many parallel lines as desired.

1. In a parallel circuit, voltage is the same throughout each parallel leg, no matter how many legs are added.

Vs = V1 = V2 = V3

2. Current through a parallel circuit is the sum of the current in each leg.

IT = I1 + I2 + I3

3. Resistance total calculation as follows:

RT = 1 / ( 1/R1 + 1/R2 + 1/R3 )

Example : Parallel DC circuit Analysis :

Current Divider

The current divider is mostly used to determine the current on a parallel resistor circuit with only two brances.

Example :

Formula :

IRX = IT ( RT / RX )

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