Recent content by dreamLord

Thanks for the advice Locrian. At the moment I'm not sure about anything. I only mentioned Economics because it seems like a subject that I could transition into without having much problems regarding degrees and courses. You mentioned Business Consulting - what is that like? What is the...

At the moment I know almost next to nothing about Economics. I didn't have any Eco courses. I'm just considering exploring it, that's all. Are there any books I could read or should I just jump into a standard textbook?

@Jake : Nope none of those. I simply don't find it very interesting anymore. One of my teachers said that to make it in Physics, you have to live and breathe it, and constantly be thinking about it. I cannot do that with something that it is a chore to me. And perhaps the wage bit, but that is...

Hi. I will be graduating with a B.Sc in Physics in about a year from now (3 year degree). Recently, I've seen myself falling out of love with Physics - I'm not sure about the reasons, but it's pretty clear to me that I do not see a career in academia in a Physics related area. So I'm looking...

Well I'm just going off of what has been my own experience. The faculty is terrible, the system and infrastructure even worse. I always wanted to do physics, but I put all my eggs into one basket and only applied to colleges in the US for undergrad. Got selected at one of my listed places, but...

Well, here's the thing - I'm not a strong applicant. 3 year undergrad from a poor quality college, almost no research experience, average LORs. Which is why I want to get a list of 10-15 colleges, and then sort my way through them. I did check out UofMaryland, looked good. Thanks! True, I...

Hi. I am a Physics undergrad in India, in year 2 of 3. I feel like I want to pursue Astrophysics, but I'm not a 100% sure about the field. I'll be applying to some of the low ranked PhD programs in the US, along with some MSc programs in Europe. Can someone list these programs in the US? I'm...

Ah okay, I see, thanks. No, it's not a typo. I was trying to talk about conduction and convection in the initial stages - conduction for when heat flows from the top surface to the lower one through the conductor, and convection when heat is lost to the air. Am I wrong?

Do all good conductors have a higher heat capacity as compared to poor conductors? Assuming the above is true, please find the flaw in my reasoning. Initially, both bodies have the same temperature difference at the ends (1 end maintained at T1, other at room temperature). Thus, in any time...

Okay, so I'll ask about when steady state has not yet been acquired. When I switch on the heat source at t=0, the conductor heats up with time. In this case, which conductor loses more heat energy to the surroundings? How do I go about calculating heat lost by both conductors to the...

So are you saying that the amount of heat lost to air is independent of the nature of the conductor, but rather depends on the specific heat capacity?

That's what I'm having trouble figuring out. A good thermal conductor should allow heat to flow through it easily, and hence heat losses should be low in that case. But, at the same time, it's temperature will rise faster, and hence it will lose heat to the air faster. Which logic is flawed out...

Hi. Suppose I have 2 cylindrical bodies of the same radius and length - one is a good thermal conductor, while the other is a bad conductor. The upper end in each case is kept at a constant temperature T1, while the lower end is in contact with a steel disk of same radius, which is in free...

Ah, I think I understand. Thanks Philip and Alpeh!

I think my naming of the apparatus might have caused some confusion (I used the link). I am talking about removing the upper brass piece, not the lower one. Or maybe I don't follow what you are saying - can you dumb it down please? I understand that we need to find the rate of heat loss from...