Voltage
= Voltage
{title2=$u:V\to\mathbb R$}
A voltage is a scalar potential on the vertices of an <electrical network>. Away from prescribed boundary vertices it is harmonic, and its difference across an edge drives current through that edge.
= Voltage
{title2=$u:V\to\mathbb R$}
A voltage is a scalar potential on the vertices of an <electrical network>. Away from prescribed boundary vertices it is harmonic, and its difference across an edge drives current through that edge.