Hello Definition and 275 Threads

hello can somebody help me, what can i use in place of audio transformer because i was in electronics shop the man he told they don't use anymore audio transformer in radio receiver what to use in place of audio transformer?thnx

Hello! I'm a student pursuing studies in Mechanical Engineering, Robotics, and anything else interesting. I have a knack for computer science and love a good problem to solve. I'll be posting questions about projects, homework, and sometimes just random inquiry for knowledge's sake.

I am joining this forum to expand my knowledge on my favorite subject being physics. I may not be veyr active but if I have questions about homework or curiosity in general, I'll post here and hope for a response. Thanks

I'm Wiktoria, I come from Poland. I've created accounts here solely because I'm trying to get better mark and i have to solve a few extra problems. One of them comes from academic curriculum and I don't know how to do it. You can imagine how desperate I'm to create account this site even though...

Hello evervone can somebody help me, to calculate the cascade amplifier, if somebody can tell me the formula? of to explain me? i am reading the book "electronics devices circuit and theory" page 201-202 i don't know how come the value 2.50v, 1.25v, 1,87v see the photo down...

Hello astronomers and physicists! My name is Ahmad. I'm Lebanese studying in Dubai, majoring in aeronautical engineering. I'm usually very curious about everything concerning physics, and not only aeronautics. So expect questions concerning various areas of physics. I'm also sometimes Mr...

Hi everyone. I'm Sam, I am not a scientist. I build machines for fun and often find myself wishing I had paid more attention at university. So I guess I might be asking a few questions. Hopefully some of you might be able to spare a few minutes to point me in the direction with a couple of...

My interest in physics stems from my love of astronomy. I am a management consultant by profession, but it could have been an astrophysicist instead! I have studied engineering and management. Lately I have discovered very good astronomy courses on MOOC sites as well as podcasts. I plan to keep...

Hello, forum looks like it has good help and I'm certainly in need of that :S I'm currently working on some pretty basic physics / mechanics stuff, Newtonian stuff (up to lorentz transforms) Re the formatting of this place - I was wondering if an appropriate way to ask a question would be to ...

https://www.facebook.com/photo.php?fbid=183085938837672&set=a.106465973166336.1073741828.100014088005333&type=3&theater My screen name is Hoverdasher; my friends call me Katie. Hoverdasher is a fictional character. Thank you for having me, I hope to enjoy dialogue with many of you. I may...

I hope I'll be able to use this forum to get help in my AP Physics 2 class, which I'm currently struggling in. I know a lot of you here are really smart, and I hope you don't get annoyed by newbies like me asking rookie questions.

I selected the Name "Rogue Wave" because I do a lot of boating. Rogue Waves have recently been accepted into the scientific community as a fact of nature. For centuries sailors and captains have spoken of them but, was considered to be "Tales of the Oceans". Science does move at a very slow rate...

Hello I am thimo and I am 16 years old. I am really interested in astrophysics and plan to get a masters degree in physics. I am currently still in High School. I have been watching some science videos on youtube and been formulating my own summaries of the theories discussed in these videos...

Hi, a friend told me about this site and am anxious to try it out. I think it's great that you help students understand the materials by making them realize it instead of telling them. Great to be here and looking forward to our time together.. :-)

I have no relevant qualifications, just a lifelong interest in science and questions. I often visit this site when it shows up in my search results. I have joined because I have a a question that I don't yet know how to ask!

Hello I am Leonard. I am an Economics graduate. I have studied a little Physics back in my Senior Secondary school before I joined college for Computer Science. I am just starting to go back to Physics as a sort of developing a new way of understanding things. I am here to learn Physics again...

Greetings All! I'm Ben from Gravesend in the UK. I have been interested in physics for a long time now and although I have no formal education in anything I find myself understanding physics more and more as time goes on. I know it sounds obvious that ones understanding of a subject would...

Hello all at Physics Forums. I am a student of Physics & maths, interested in cosmology and particle physics, heading to university next year. Looking forward to getting involved here on the forums.

Hello, people of whichever gender identity you like! Skipping the easily veered verbose verbiage V verbalized in V for Vendetta in lieu of a common introduction, I prefer go by the initial V. The NV are also intials, but not my first or middle names. I'm a 19 year old male from the Midsouthern...

Hello, I'm an Aquaculture Engineering student at lima. I'm trying to do an experiment of electrochemical harvesting of microalgae. But it seems my weakness at physics its getting in the way plus i don't know to well how to operate the equipment which none knows either since its new to the lab. I...

Hi... Just like to introduce myself and hopefully explain my reason for being here and areas I'd like to explore. Since my younger years my father had an interest in the universe and the unexplained and although his explanations were basic and sometimes confusing as time has progressed I'm...

Hello, Just to introduce myself. My name is Nathan, I am 33 Years old, and live in Melbourne Australia, with my beautiful wife and 2 kids. I work as a Sales Manager for a medical refrigeration manufacturer. I finally got a choice to move on from being on the tools (refrigeration service and...

Hello,I am Dwayne Huang. I am not a physicist, I am like to think something about universe and the general physics in nature life. I am glad to meet you in physicsforums.

Hello all, I have perused this forum for a while now. I've never signed up because I have nothing to offer you folks. I'm not evan an amateur, I'm just interested in physics. I'm a critical care / flight medic, so my understanding of physics is really, really, really limited. Although, I'm...

Hey I'm Denny, I am currently a biology major and will be graduating in the spring of 2017. Also I am from Philadelphia, Pa I have no problems with understanding biology, chemistry or math but for some reason I cannot for the life of me understand physics. I really have to commend every one of...

Hi all, I am starting civil engineering B.S this fall. I am very interested in mechanical as well but there are no nearby schools. Does anyone know if you can get your B.S.C.E and then get your M.E?

Hey everyone, I'm Zack Norman, 16 year old from a small town near Toronto, Canada. I've joined your forum in hopes of learning about Math and Physics. My main skill is computer programming and Information Security, but I've recently taken up a passion for math and physics. One day I aspire to...

Hi, I'm new here. ^^ College student in my country in the caribbean. I visited this site a few times but never thought about joining. I finally did, *waves* (((I'm absolutely in love with Korean culture btw)))

The Czech parliament will vote on adopting "Czechia" as an official alternative name for the Czech Republic, which is a bit clunky for some purposes (e.g. sports team jerseys). Czech Republic poised to change name to 'Czechia' (BBC) Germans already commonly say "Tschechien", and a number of...

Yes hello, I like physics and I'm studying physics. yay. I have a question but I didn't want to bother my tutors or lecturers with emails since we're on break at the moment so I joined. It said in the introductory email that I can't ask about that here though. Okay cool so hi. I like Dark Souls...

Hello everyone , my name is Cynthia. Currently, I am an second-year university student majoring in Electrical Engineering. The reason why I choose EE is because i want to learn and discover the 'magic' of EE :) I am still a newbie in this field, so I hope I could gain more knowledge here. Thank...

Hi folks, My name is Kevin. I have a BS in Chemistry (1984) and an MBA Finance (1994). I worked in the plastics compounding business for over 20 years. I retired early, now GR and physics has become a hobby of mine. I'm a little thick, so I have hard time understanding some of the material. My...

hello

Well, hello there! As soon as I had finished signing up, a message in my inbox showed up and encouraged me to introduce myself to the board. So, here I am! And, seeing as I'm a fan of backstories and origins, let's get on with it, shall we? I'm from Greece and I'm currently taking my final...

Hello friend! My name is Orion Nights Miller, but I go by Nights (Rion is ok too). I'm a college junior studying Biochemistry and Ethnic Studies I'm super excited to learn more about Physics with everyone here and I hope we all have fun learning together! Ask me (almost) anything!

Hi guys! I was an active member of this forum back in the 2005-2009 era, but I've long forgotten my password and user name. I probably won't be on very much. I don't do a lot of physics anymore and have forgot most everything not conceptual. I was a physics minor and mathematics major when I...

Hi! It's my first time to register in this site but I've been reading threads here since a long time now. I'm a freshman engineering undergraduate student whose enthusiasm for this field of science is high, especially for optics. I really enjoyed our light box activity in my high school days...

I'm Antoine, from France and self-studying Physics as an enthusiast. I'm interresting in all kind of physics but most spefcifically for this semester in waves. I'm studyning CS and I would like to join the army then

That's a very big gif, I lowkey feel dumb because I have no idea how do I resize this big thing where are the strike tags what is happening I am embarrassing myself that's what's happening I'm so- Alright, HELLO. I'm a fetus on here so excuse me if I don't match your levels, I mean you got to...

Hello all, I'm a retired electrical engineer/computer programmer who's always been interested in both the very large (cosmology) and the very small (quantum theory). I look forward to many hours of interesting reading and some conversation. Regards, Paul

I actually never got a request for a forum introduction so I guess I'll just ramble. I got interested in science specifically physics whilst reading fact/info books at a young age I am now not much older but still interested understanding the world around us and how we affect it and how it...

hello smart people , iwant to be smart too ;)

Hello, I am Tobias. I am really interested in physics and currently studying it at University. I hope to frequently visit forum, help people and learn a lot myself.

Hello there, I am new to this forum, loving what I've seen so far, everyone seems very helpful. Just thought I would say hello to everyone. Thanks, John

I can already tell that getting to know the community here will be a real treat! I'm Max, an undergraduate nanoscale science major with great thirst for knowledge and collaboration. My previous visits to the forums have been in the capacity of a lurker, seeking advice on frequently asked physics...

Hello to all, My name is Stella and I come from Greece. I am a Physics Undergraduate student and I joined this forum to get more involved in science via discussion with other people around the world and also practice my English. I am also a music lover, a bookwarm and I am very keen on drinking...

I hope my questions doesn't remain unanswered.

it's on the added picture below, i tried to solve for it with answers ef but it says it's wrong, so if you can please help :)

Hello, As per the title - my name is Nick. I am soon to enter my senior year of high school. I come here partly due to recommendation of my teacher. This year, my plan is to participate in my city's annual science and engineering competition, which is connected to the Intel International...

is there anyone who knows a company that can design single phase induction motor prototypes in the UK..Thanks for your help