Avancerat ordförråd för TOEFL - Teknik och elektronik

a field of study that deals with the building, designing, developing, etc. of structures, bridges, or machines

ingenjörsvetenskap

the branch of physics and electrical engineering that focuses on designing circuits that use transistors and microchips

elektronik

a small semiconductor device, used in television and radio sets, able to amplify or rectify an electric current

transistor

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

halvledare

an electric current that flows only in one direction

likström

a thin board on which the circuits are printed

kretskort

a failure in a circuit caused when the electricity flows in the wrong route due to wire damage or fault in the connections of wires

kortslutning

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

elektrod

the electronic potential and force whose measurement unit is volts

spänning

an electric device that is used to increase or decrease the voltage of an alternating current

transformator

a piece of electronic equipment used for sending electromagnetic waves carrying radio or television signals

sändare

an electric device that is used to accumulate electric charge

kondensator

to allow heat or electricity be transmitted

leda

to firmly attach or tighten something using a turning metal fastener

skruva

a piece of metal like a thick nail without a point that used to secure assembled parts by passing through holes and tightening with a nut

bult

a flat piece of metal with a hole in the middle through which a bolt is put to secure or fasten objects together

mutter

a wheel with a set of square or triangular teeth sticking out around the edge that fits into the edge of a similar wheel, causing both wheels to turn

tand

an electronic device with two terminals, typically allowing the flow of current in one direction only

diod

an electrical device that is used to stop or control the flow of current in a circuit in case it is too strong

säkring

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

generator

a device that allows movement between mechanical parts of a machine or converts backward and forward motion into circular movement

vev

a metal bar in an engine that enables movement and power to be transmitted from one part to another

axel

an instrument that automatically controls the temperature of a room, machine, etc.

termostat

a device that allows steam, liquid, etc. to escape a machine, if the pressure inside the machine becomes too high

säkerhetsventil

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

robotik

an electronic device that uses a small electrical current to control a larger current, acting like an automatic switch

relä

a piece of equipment for generating oscillating electric currents or voltages by non-mechanical means

oscillator

a substance that doesn't conduct heat, sound, etc.

isolator

a device that converts the energy of the sun into electricity

solcell

the rotating part of a machine that revolves around a stationary part

rotor

to provide new electrical wiring for a building or machine

ombesvara

an electric current that reverses direction periodically, typically used in power distribution systems due to its efficiency in long-distance transmission

växelström