|- align = "center"||width = "25"|| |- align = "center"| || |- align = "center"| Resistor|| Variable Resistor |- align = "center"||width = "25"|| |- align = "center"| || |- align = "center"| Resistor|| Variable resistor A resistor is a two-terminal electrical or electronic component that opposes an electric current by producing a voltage drop between its terminals in accordance with Ohm's law: R = frac The electrical resistance is equal to the voltage drop across the resistor divided by the current through the resistor. Resistors are used as part of electrical networks and electronic circuits. Identifying resistors Most axial resistors use a pattern of colored stripes to indicate resistance. Surface-mount ones are marked numerically. Cases are usually brown, blue, or green, though other colors are occasionally found such as dark red or dark grey. One can also use a multimeter or

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