(a) Use the passive sign convention to assign voltage variables consistent with the currents in…

(a) Use the passive sign convention to assign voltage variables consistent with the currents in…

(a) Use the passive sign convention to assign voltage variables consistent with the currents in Figure P2−24.Write three KVL connection equations using these voltage variables.
(b) If v4 = 0 V, what can be said about the voltages across all the other elements?