electro-, electr-, electri-
(Greek > Latin: electric, electricity; from amber, resembling amber, generated from amber which when rubbed vigorously [as by friction], produced the effect of static electricity)
Electronics in our lives consists of numerous tools
Equipment which we use everyday relies on electronics to function including calculators, car controls, cameras, washing machines, medical scanners, mobile telephones, radar systems, computers; as well as many other applications or devices which are listed in this unit.
2. Characterized by a stationary electric charge that builds up on an insulated object; such as, a capacitor or a thundercloud.
3. Referring to stationary electric charges, or produced or caused by static charges (electric charges at rest).
4. The effects produced by electrical charges or fields, alone, without interaction with magnetic influence.
2. An electrical device that uses an electrostatic field to accelerate charged particles to high velocities in a vacuum.
3. Any machine that produces electric charges by friction or, more commonly, electrostatic induction.
4. A high-voltage generator in which electric charges are generated by friction or induction, then transferred mechanically to an insulated electrode to build up a voltage which may be as high as nine mega volts.
5. An apparatus for producing up to several million volts of electrostatic energy by successive accumulation of small static charges on an insulated high-voltage metal collector.
2. A mechanism that causes a tool to be turned on or off, or adjusted or moved.
The motor and the mechanism which moves the head assembly on a disk drive or an arm of a robot is called an actuator.
2. A tool that filters an electron beam, permitting only electrons within an extremely narrow velocity range to pass through it.
2. The electrostatic force of attraction exerted by one charged particle onto another charged particle of the opposite sign.
3. The tendency of bodies to draw together when carrying opposite charges of electricity.
2. A chemical bond in which one atom loses an electron to form a positive ion and the other atom gains an electron to form a negative ion,
3. A valence bond in which two atoms are kept together by electrostatic forces caused by transferring one or more electrons from one atom to another atom.
A valence is the combining power of atoms or groups measured by the number of electrons the atom or group will receive, give up, or share in forming a compound.
A cathode-ray tube is a vacuum tube in which a stream of electrons is accelerated and focused in a beam that produces traces of light on a screen at one end of the tube and which is used in television sets, computer monitors, and as an indicator in radar sets, etc.
2. The algebraic sum of all positive and negative electric charges present in a specific volume or surface element.
3. An electric charge which is in a state of equilibrium.