Question: (a) Find the voltage potentials at all the nodes and the currents along the wires of the following trees if the bottom node is grounded

(a) Find the voltage potentials at all the nodes and the currents along the wires of the following trees if the bottom node is grounded and a unit current source is introduced at the top node.
(i)

(ii)

(a) Find the voltage potentials at all the nodes and

(iii)

(iv)

(v)

(b) Can you make any general predictions about electrical currents in trees?

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