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Parallel Circuits

What is the Voltage in a Parallel Circuit?

A parallel circuit is shown below with three
branches and a different resistor in each branch.

The cell (the power supply) and each resistor
has a voltmeter connected across it.

Voltage in a Parallel Circuit

It is found that 

1. The voltage in a parallel circuit
is the same for all branches.  V1 = V2 = V3.

2. The voltage for each branch is the
same as the supply voltage.  V1 = V2 = V3= Vsup.

Each component behaves
as if it is connected independently to the cell.

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