Phantom circuit — In telecommunication and electrical engineering, a phantom circuit is an electrical circuit derived from suitably arranged wires with one or more conductive paths being a circuit in itself and at the same time acting as one conductor of another… … Wikipedia
In-circuit test — (ICT) is an example of white box testing where an electrical probe tests a populated printed circuit board (PCB), checking for shorts, opens, resistance, capacitance, and other basic quantities which will show whether the assembly was correctly… … Wikipedia
Faraday efficiency — Faradic Efficiency (also called coulombic efficiency or current efficiency ) describes the efficacy with which current (electrons) are transfered in a system facilitating an electrochemical reaction. The word faraday in this term refers to the… … Wikipedia
Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… … Wikipedia
Disasters — ▪ 2009 Introduction Aviation January 23, Poland. A Spanish built CASA transport plane carrying members of the Polish air force home from a conference on flight safety in Warsaw crashes near the town of Miroslawiec; all 20 aboard are killed … Universalium
USS Iowa turret explosion — USS Iowa s Turret Two explodes Date April 19, 1989 Place Caribbean Sea ne … Wikipedia
baseball — /bays bawl /, n. 1. a game of ball between two nine player teams played usually for nine innings on a field that has as a focal point a diamond shaped infield with a home plate and three other bases, 90 ft. (27 m) apart, forming a circuit that… … Universalium
Negative feedback amplifier — Figure 1: Ideal negative feedback model A negative feedback amplifier (or more commonly simply a feedback amplifier) is an amplifier which combines a fraction of the output with the input so that a negative feedback opposes the original signal.… … Wikipedia
Loading coil — In electronics, a loading coil or load coil is a coil (inductor) that does not provide coupling to any other circuit, but is inserted in a circuit to increase its inductance. The need was discovered by Oliver Heaviside in studying the… … Wikipedia
Voltage divider — In electronics, a voltage divider (also known as a potential divider) is a simple linear circuit that produces an output voltage ( V out) that is a fraction of its input voltage ( V in). Voltage division refers to the partitioning of a voltage… … Wikipedia
Current divider — Figure 1: Schematic of an electrical circuit illustrating current division. Notation RT. refers to the total resistance of the circuit to the right of resistor RX. In electronics, a current divider is a simple linear circuit that produces an… … Wikipedia