In the previous post we discussed about voltage, and current. In this post we will know more about the relationship between Voltage and Current i.e. Resist ors (unit s ymb ol: Ω or ohm ) - heart of electronics! The interesting I versus V characteristics that can be useful are: Resistors: I proportional to V Capacitors: I proportional to rate of change of V Diodes: I flows in one direction Thermistors: Temperature dependent resistors Photoresistors: Light dependent resistors Fig: Resistor. TYPES OF RESISTORS: > Wirewound Ceramic Power Resistors: Example Datasheet 1 20W vitreous enamel with leads ( view datasheet for more examples and types). 30W vitreous enamel 5W and 20W with mounting studs 20W Resistor with mounting studs > Wirewound Power Resistors: Example Datasheet 2 1W, 3W, and 5W axial ceramic 5W, 10W, and 25W conduction cooled / Dale-Type 50W conduction cooled (Dale-Type) > Carbon, Surface-Mount Resistors, and other types: 2W, 1W, 1/2W, 1/4W, and 1/8W Carbon compos
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