In the figure below, the ideal batteries have emfs 1 = 4.6 V and 2 = 15 V, the r

Question

In the figure below, the ideal batteries have emfs 1 = 4.6 V and 2 = 15 V, the resistances are each 1.6 ?, and the potential is defined to be zero at the grounded point of the circuit. (a) What is the potential V1 at the indicated point? (b) What is the potential V2 at the indicated point?

In the figure below, the ideal batteries have emfs 1 = 4.6 V and 2 = 15 V, the resistances are each 1.6 ?, and the potential is defined to be zero at the grounded point of the circuit. (a) What is the potential V1 at the indicated point? (b) What is the potential V2 at the indicated point?

Explanation / Answer

net R = 1.6 +1.6 +1.6 +1.6||1.6 = 5.6 ohms net current = 15 - 4.6/5.6 = 1.85A V1 = 1.85 * 0.8 -15 = -13.51 V V2 = V1 + 1.85 *1.6 = -2.41V

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