العلوم الطبيعية SAT - الكهرومغناطيسية والميكانيكا

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

الفلطية تيار كهربائي

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

المقاوم

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

دائرة كهربائية

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

أشباه الموصلات

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

الموصلية الفائقة

to apply an electric charge to a conductor

كهرب

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

قطب كهربائي

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

كهرباء ساكنة

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

قابلة للشحن

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

مولد كهربائي

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

الأنود كهرباء

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

قطب سالب

a device that converts the energy of the sun into electricity

الخلايا الشمسية

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

الإشعاع الشمسي

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

نقل الطاقة

related to the technology that turns sunlight directly into electricity

الكهروضوئية

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

الكهرومغناطيسي

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

المجال المغنطيسي

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

رافعة

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

نقطة إرتكاز

the rapid back-and-forth movement of an object

اهتزاز

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

فتل

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

ثابت الربيع

a mass used to provide balance to another mass

ثقل موازن

having a speed greater than that of sound

أسرع من سرعة الصوت

(physics) the increase in velocity over time

تسريع

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

السرعة النهائية

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

طيران

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

علم السوائل المتحركة

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

علم الروبوتات

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

جاذبية الأرض