SAT 자연과학 - 전자기학과 역학

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

전압

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

저항기

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

전기 회로

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

반도체

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

초전도성

to apply an electric charge to a conductor

전기를 통하게 하다

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

전극

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

정전기

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

충전식

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

발전기

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

양극

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

음극

a device that converts the energy of the sun into electricity

태양 전지

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

태양 복사

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

방사선

related to the technology that turns sunlight directly into electricity

태양광 전지의

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

전자기

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

자기장

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

지레

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

지렛대의 지점

the rapid back-and-forth movement of an object

진동

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

토크

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

스프링 상수

a mass used to provide balance to another mass

카운터웨이트

having a speed greater than that of sound

초음속의

(physics) the increase in velocity over time

가속도

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

최종 속도

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

항공

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

유압

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

로보틱스

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

중력