a: Electric current ~
b: a crowd of people

What: "Electric current is like a crowd of people moving through a shopping mall. No one can move unless they are given some money by the bank. The more money they get out of the bank, the faster they will move. People flow from rich to poor. Everyone who goes into a shop comes out again. Checkout counters slow people down, and take their money. The slow checkout creates resistance and causes people to pile up into a line. If the line gets very long, people are willing to spend more money to get through."A whole page of associating shopping malls, money and electricity.

Writer: Not Stated
Where: Reference Link Has Evaporated
Date: Mar 16 2014 2:58 PM

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