Technology / Programming / Resistor: Resistors are electrical components that resist the flow of charge. The value of a resistor is measured in ohms and represented by the greek letter capital omega.

Thermistor-Thermally Sensitive Resistor

Technology / Motors / Thermistor-Thermally Sensitive Resistor: A semiconductor used to measure temperature: can be attached to an alarm or meter to detect motor overheating. MORE


Entertainment / Photography / Photo-Resistor: Photoelectric cell which varies in its electrical resistance according to the light received. MORE

Voltage Drop

Technology / Home Audio / Voltage Drop: The amount of energy consumed when a device offers resistance in its circuit. The voltage (E) set up across a resistance (R) carrying a current (I). E=IR (Also see Volt). MORE

Ruthenium (Ru)

Science / Periodic Table of Elements / Ruthenium (Ru): Atomic number: 44, Atomic mass: 101.1 g.mol -1, Electronegativity: 2.2, Density: 12.2 at 20°C, Melting point: 2250 °C, Boiling point: 4150 °C, Vanderwaals radius: 0.135 nm, Isotopes: 11, Ele MORE


Business / Finance / Active: A market in which there is frequent trading. MORE


Technology / Aviation / Resistance: Symbol: R. The opposition to the flow of electrons offered by a device or material. Opposition by resistance causes a loss of power. MORE