TL;DR

Monday, July 30, 2018

12:33 PM

Topicl Recap 
• Passive sign convention 
Power is positive if the current enters the positive terminal, p = +Vi. 
Power is negative if the current enters the negative terminal, p = —vi. 
— Positive power is absorbed/dissipated by an element. 
Negative power is supplied/generated by an element. 
• Conservation of energy 
• Sources 
Voltage sources generate or dissipate power at a specified voltage with whatever 
current is required. 
Current sources generate or dissipate power at a specified current with whatever 
voltage is required. 
— Sources can be ideal/real, dependent/independent.

 

 

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