Resistors and power ratings

Kenneth discusses resistors and power ratings:

Resistors are possibly the most basic component of electronics; given an input voltage, they allow a current to flow, and given an input current to flow, they produce a voltage.  The relationship between the voltage and current is linear (a straight line), (mostly) frequency independent (unlike capacitors or inductors), and only dependent on its resistance (expressed in ohms).

Via TweetDeck.

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