\(\text{FIGURE IV.3}\) \[G=G_1+G_2+G_3.\label{4.5.1}\] That is to say \[\frac{1}{R} = \frac{1}{R_1}+\frac{1}{R_2}+\frac{1}{R_3}.\label{4.5.2}\] The potential difference is the same across each. The cu...\(\text{FIGURE IV.3}\) \[G=G_1+G_2+G_3.\label{4.5.1}\] That is to say \[\frac{1}{R} = \frac{1}{R_1}+\frac{1}{R_2}+\frac{1}{R_3}.\label{4.5.2}\] The potential difference is the same across each. The current is greatest through the largest conductance – i.e. through the smallest resistance.