Test Medicina in lingua inglese 2016-2017: le domande ufficiali del Miur

Admission test for the degree course in medicine and surgery

Domanda 49 di 51

A student has three 6.0 ? resistors that can be connected together in any configuration. What are the maximum and minimum resistances that can be obtained by using one or more of these three resistors?

[Assume the connections between the resistors have negligible resistance, the temperature of the resistors is constant, the resistors are used in a d.c. circuit and none of the resistors is shortcircuited.]