a capacitor charges
11Displacement current — Electromagnetism Electricity · …
12Solar Engine — A Solar Engine (also called solarengine and SE) is a simple BEAM circuit which receives radiant energy, capacitates and stores the energy, and then utilizes that energy in pulses to power motors or other loads. Solar engines are thus electrical… …
13Open-circuit time constant method — The open circuit time constant method is an approximate analysis technique used in electronic circuit design to determine the corner frequency of complex circuits. It also is known as the zero value time constant technique. The method provides a… …
14flash lamp — Photog. a lamp for providing momentary illumination of the subject of a photograph. Also, flashlamp. Also called flash. [1885 90] * * * ▪ lighting any of several devices that produce brief, intense emissions of light useful in photography… …
15electricity — /i lek tris i tee, ee lek /, n. 1. See electric charge. 2. See electric current. 3. the science dealing with electric charges and currents. 4. a state or feeling of excitement, anticipation, tension, etc. [1640 50; ELECTRIC + ITY] * * *… …
16Multivibrator — A multivibrator is an electronic circuit used to implement a variety of simple two state systems such as oscillators, timers and flip flops. It is characterized by two amplifying devices (transistors, electron tubes or other devices) cross… …
17Capacitance — Electromagnetism Electricity · …
18Video camera tube — In older video cameras, before the mid to late 1980s, a video camera tube or pickup tube was used instead of a charge coupled device (CCD) for converting an optical image into an electrical signal. Several types were in use from the 1930s to the… …
19Dielectric — A dielectric is an electrical insulator that can be polarized by an applied electric field. When a dielectric is placed in an electric field, electric charges do not flow through the material, as in a conductor, but only slightly shift from their …
20Electric displacement field — In physics, the electric displacement field, denoted as , is a vector field that appears in Maxwell s equations. It accounts for the effects of free charges within materials. D stands for displacement, as in the related concept of displacement… …
