English Words for "Eelectromagnetism and Mechanics" | SAT Vocabulary

voltage

noun

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

potential

Example

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The technician measured the voltage across the battery terminals to ensure it was functioning properly.

High voltage power lines carry electricity over long distances to homes and businesses.

resistor

noun

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

potential

circuit

noun

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

potential

superconductivity

noun

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

potential

to electrify

Verb

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to apply an electric charge to a conductor

potential

Grammatical Information:

transitive

static electricity

noun

/stˈæɾɪk ɪlɛktɹˈɪsɪɾi/

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

potential

rechargeable

Adjective

/ɹiˈtʃɑɹdʒəbəɫ/

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

potential

generator

noun

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

potential

anode

noun

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

potential

cathode

noun

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

potential

anode

solar cell

noun

/sˈoʊlɚ sˈɛl/

a device that converts the energy of the sun into electricity

potential

Grammatical Information:

compound noun

radiation

noun

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

potential

photovoltaic

Adjective

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related to the technology that turns sunlight directly into electricity

potential

electromagnetic

Adjective

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

potential

magnetic field

noun

/mæɡnˈɛɾɪk fˈiːld/

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

potential

lever

noun

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

potential

fulcrum

noun

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

potential

vibration

noun

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the rapid back-and-forth movement of an object

potential

torque

noun

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

potential

counterweight

noun

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a mass used to provide balance to another mass

potential

supersonic

Adjective

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having a speed greater than that of sound

potential

sonic

acceleration

noun

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(physics) the increase in velocity over time

potential

deceleration

terminal velocity

noun

/tˈɜːmɪnəl vəlˈɑːsɪɾi/

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

potential

hydraulics

noun

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

potential