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What are the basic categories of resistors?
Fixed & Variable
What do Carbon Resistors (Fixed) contain?
Made from carbon graphite and resin bonding material.
What is the ohmic range of carbon resistors?
1 Ω → 22 MΩ
What do metal film resistors contain?
Film of metal applied to a ceramic rod in a vacuum.
Describe the resistor with a specific mounting technique.
Hollow-Center Wire Wound Resistors should be mounted vertically and not horizontally, to allow for proper heat dissipation.
What do Wire-Wound Resistors contain?
Resistive wire wound around a ceramic core. Used when a high power rating is needed. Can operate at higher temps.
What are the ratings of fixed resistors?
Resistance, Power, Tolerance
Compare the two types of variable resistors in terms of terminal count.
A rheostat is a two-terminal variable resistor, whereas a potentiometer is a three-terminal variable resistor.
