واژگان سطح پیشرفته برای TOEFL - مهندسی و الکترونیک

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

مهندسی

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

الکترونیک

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

ترانزیستور

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

نیمه‌هادی, نیم‌رسانا

an electric current that flows only in one direction

جریان برق مستقیم

a thin board on which the circuits are printed

تخته مدار

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

اتصال کوتاه

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

الکترود

the electronic potential and force whose measurement unit is volts

ولتاژ

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

ترانسفورماتور

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

فرستنده

an electric device that is used to accumulate electric charge

خازن

to allow heat or electricity be transmitted

منتقل کردن

to firmly attach or tighten something using a turning metal fastener

پیچ کردن, وصل کردن

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

پیچ (ابزار)

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

مهره (ابزار)

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

چرخ‌دنده

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

دیود

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

فیوز برق

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

ژنراتور, مولد

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

میل لنگ

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

شفت

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

ترموستات

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

سوپاپ اطمینان, دریچه اطمینان

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

روباتیک

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

رله (نوعی کلید الکتریکی)

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

نوسان‌ساز الکتریکی, اسیلاتور

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

عایق

a device that converts the energy of the sun into electricity

سلول خورشیدی

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

چرخانه, روتور

to provide new electrical wiring for a building or machine

دوباره سیم‌کشی کردن

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

جریان متناوب