What Do You Know About Electronics?

摘要

Phrone Smedge came to school early one day, and waited for his favorite teacher, Mr. Ray O'Brien. Phrone had worked out an easier way to solve for the current in the center leg of a Wheatstone Bridge. With Phrone's method, you don't need to write loop equations or do determinant solutions. "Mr. O'Brien, I've been waiting for you. I've worked out a new way to solve for the center leg current in a Wheatstone Bridge. I've drawn the current on the blackboard in this room." Mr. O'Brien looked around hoping for an interruption. No such luck. "Well now, Phrone, let's see what you have here." Phrone's drawing is shown in Figure 1.