TOEFL এর জন্য উন্নত শব্দভাণ্ডার - ইঞ্জিনিয়ারিং এবং ইলেকট্রনিক্স

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

অভियांত্রিক

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

ইলেকট্রনিক্স

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

ট্রানজিস্টর

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

অর্ধপরিবাহী

an electric current that flows only in one direction

ধ্রুবক বর্তনী, ডিসি

a thin board on which the circuits are printed

সার্কিট বোর্ড, প্লেন সার্কিট

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

শর্ট সার্কিট

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

ইলেকট্রোড

the electronic potential and force whose measurement unit is volts

ভোল্টেজ, তড়িৎচৌম্বকতা

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

ট্রান্সফরমার, পরিবর্তক

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

প্রেরক, প্রেরণকারী

an electric device that is used to accumulate electric charge

কন্ডেন্সার, ক্যাপাসিটর

to allow heat or electricity be transmitted

প্রবাহিত করা, পরিবোহন করা

to firmly attach or tighten something using a turning metal fastener

স্ক্রু করা, জোর দিয়ে আটকানো

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

বোল্ট, নট

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

নাট, বিভাজন

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

দাঁত, গিয়ার

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

ডায়োড

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

ফিউজ, সুরক্ষিত ডিভাইস

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

জেনারেটর, বিদ্যুৎ উৎপাদক

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

ক্র্যাঙ্ক, মার্জনা

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

শাফট, পাতল

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

থার্মোস্ট্যাট, তাপমাত্রা নিয়ন্ত্রক

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

নিরাপত্তা ভালভ, সেফটি ভালভ

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

রোবোটিক্স

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

রিলে

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

অসিলেটর

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

নিরোধক

a device that converts the energy of the sun into electricity

সৌর কোষ, ফটোভল्टাইক কোষ

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

রোটর

to provide new electrical wiring for a building or machine

নতুন তার লাগানো, তারের পুনঃসংযোগ করা

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

বৈপরীত্য বর্তমান, বৈপ্লবিক বর্তমান