- #1
Charismaztex
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From what I understand: P=+iv (current enters through the positive polarity of the voltage, implying that the element is absorbing power) and P=-iv (current enters through the negative polarity of the voltage, implying that the element is releasing or supplying power)
I remember reading that there are passive elements (resistors etc. which dissipate energy) and active elements (batteries etc. which supply energy). I recall that resistors only dissipate energy but the wiki entry here:
http://en.wikiversity.org/wiki/Passive_sign_convention
example 1.2 suggests that the resistor is supplying energy. How can this be explained?
I remember reading that there are passive elements (resistors etc. which dissipate energy) and active elements (batteries etc. which supply energy). I recall that resistors only dissipate energy but the wiki entry here:
http://en.wikiversity.org/wiki/Passive_sign_convention
example 1.2 suggests that the resistor is supplying energy. How can this be explained?