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If you had a loop of wire attached to a power supply capable of generating very fast pulses, how does the current travel around the loop? For explanation sake, it...
Asked on 03/03/2021 by user1710344
0 answerI derived equations of motion up to first order from a Lagrangian for a scalar field in a 4D spacetime. Now, I would like to cross-check my results. Is there...
Asked on 03/03/2021
0 answerBasic question:Lets assume we have an object (cuboid) in the air, with area A, width w at height h. Is the pressure from above always equal to pressure from...
Asked on 03/03/2021
2 answerI know that a non linear optical medium is a medium in which the optical response for example polarisation vector varies asbegin{equation} vec{P}=epsilon_0chi^{(1)}vec{E}+epsilon_0chi^{(2)}vec{E}^2+.......end{equation} But...
Asked on 03/03/2021
3 answerI have been studying the following paper linked https://inspirehep.net/files/4d58177a3c19484ba097b48c9f4e9a7f where they are exploring Hawking Radiation in Dispersive Media. While constructing the theory and tools for the dispersionless...
Asked on 03/03/2021 by Achintya Mitra
0 answerAs I understand it, evaporation is thought of as a phase transition from a liquid into a gas. Individual molecules get enough energy to break surface tension, and flung up...
Asked on 03/02/2021 by Steve Sether
4 answerMaybe a silly question but.. A submarine has ballast tanks to control it's buoyancy. To submerge, water is allowed to fill the ballast tanks which displaces the air inside. When...
Asked on 03/02/2021 by Barryd
2 answerI recently started reading about conformal (Penrose) diagrams and have since been faced with a couple of conceptual doubts. Based on the coordinate transformations, null curves in Penrose diagrams are...
Asked on 03/02/2021
1 answerIn my text book magnetic flux density is defined as the number of field line per units of area. what I know is the field line is just a conceptual...
Asked on 03/02/2021
1 answerWhat is the range of $r$ in the formula for the parallel axes theorem? Eg. if two discs are attached at a certain point on their circumference and both...
Asked on 03/02/2021 by ersamvs73
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