Přírodní Vědy SAT - Elektromagnetismus a mechanika

the measure of electric potential difference between two points in a circuit, expressed in volts

napětí, volt

an electrical component designed to limit or control the flow of electric current in a circuit, typically by providing resistance

rezistor, odpor

the complete circle through which an electric current flows, typically consists of the source of electric energy

elektrický obvod, obvod

a solid substance that conducts electricity or heat better than insulators, but not as well as most metals

polovodič

a phenomenon where certain materials conduct electricity without resistance when cooled to extremely low temperatures

supr conductivity

to apply an electric charge to a conductor

elektrifikovat, nabíjet elektricky

a conductor through which electricity travels to or from an object, such as batteries

elektroda

a form of electricity generated by friction between two materials, resulting in an imbalance of electric charges on their surfaces

statická elektřina

(of a battery or device) capable of being supplied with electrical power again

nabíjecí

a machine that produces electricity by converting mechanical energy into electrical energy

generátor, stroj na výrobu energie

a positively charged electrode in an electrical device where oxidation occurs, resulting in the release of electrons

anoda

a negatively charged electrode within an electrical device, from which electrons flow out into the external circuit

katoda

a device that converts the energy of the sun into electricity

solární článek, fotovoltaický článek

the amount of solar energy received per unit area on Earth's surface

solární irradiance, sluneční záření

the energy transmitted in the form of particles or waves through the space or a matter

radiace

related to the technology that turns sunlight directly into electricity

fotovoltaický

referring to the combined interaction of electric and magnetic fields, often associated with waves or radiation

elektromagnetický

an invisible area around a magnetic object where magnetic forces can attract or repel other objects

magnetické pole, oblast magnetického pole

a long rigid bar that is put under a heavy object in order to move it

páka

a point or support on which a lever pivots or rotates in order to lift or move objects

bod opory, páka

the rapid back-and-forth movement of an object

vibrace, oscilace

a rotational force measured in newton-meters or foot-pounds

moment síly, krouticí moment

a measure of a spring's stiffness, indicating how much force is needed to stretch or compress it

správná konstanta, koeficient tuhosti

a mass used to provide balance to another mass

protipól, vyvažovací hmotnost

having a speed greater than that of sound

supersonický, ultrazvukový

(physics) the increase in velocity over time

zrychlení

the constant speed reached by a falling object when the drag force equals the gravitational force pulling it downward, resulting in no further acceleration

terminální rychlost, stabilní rychlost

the study of the design, development, and operation of aircrafts, focusing on principles of aerodynamics, propulsion, and material science

letectví, letectví a aerodynamika

a branch of science and engineering that deals with the mechanical properties of liquids, particularly their behavior in confined spaces and under pressure

hydraulika

an area of technology that is concerned with the study or use of robots

robotika

(physics) the universal force of attraction between any pair of objects with mass

gravitace, gravitační síla