প্রাকৃতিক বিজ্ঞান SAT - ইলেক্ট্রোম্যাগনেটিজম এবং মেকানিক্স

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

ভোল্টেজ, টেনশন

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

রেজিস্টর, প্রতিরোধক

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

বৈদ্যুতিক সার্কিট, চক্র

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

অর্ধপরিবাহী

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

সুপারকন্ডাকটিভিটি

to apply an electric charge to a conductor

বিদ্যুৎ সংযোগ করা, চার্জিং করা

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

ইলেকট্রোড

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

স্থির বিদ্যুৎ

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

পুনরায় চার্জযোগ্য

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

জেনারেটর, বিদ্যুৎ উৎপাদক

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

এনোড

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

ক্যাথোড

a device that converts the energy of the sun into electricity

সৌর কোষ, ফটোভল्टাইক কোষ

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

সৌর বিকিরণ, সৌর শক্তি

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

রেডিয়েশন

related to the technology that turns sunlight directly into electricity

ফটোভোলটাইক

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

ইলেকট্রোম্যাগনেটিক

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

চুম্বকীয় ক্ষেত্র, চুম্বকীয় অঞ্চল

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

লিভার

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

সমর্থন, ফলক্রাম

the rapid back-and-forth movement of an object

কম্পন, দোলা

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

টির্ক, ঘূর্ণন বল

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

স্প্রিং কনস্ট্যান্ট, স্প্রিং-এর কঠোরতার সহগ

a mass used to provide balance to another mass

অবস ফুটישה, জন্য ভারসাম্য

having a speed greater than that of sound

সুপারসনিক, অতিস্বনক

(physics) the increase in velocity over time

ত্বরন

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

টার্মিনাল ভেলোসিটি, নিষ্ক্রিয় গতি

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

বিমান চলাচল, হাওয়াপ্রযুক্তি

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

হাইড্রোলিক্স

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

রোবোটিক্স

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

ঠিক্তার, মাধ্যাকর্ষণ