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For example, in the following circuit: The $2Omega$ resistor is "floating" since it's not connected to anything in its right terminal. Hence,...
Asked on 06/13/2021 by racc_p
2 answerI am trying to solve the Differential Equation in Mathematica but it is giving me error. How to find it's solution in Mathematica or in general. $$y'''=frac{omega^2E}{B}-omega^2y'$$ The above...
Asked on 06/13/2021
1 answerThe traditional modified Maxwell's equations to express em wave inside conductors that I have come across are: $$nablacdotmathbf E = 0nablacdotmathbf B = 0nablatimesmathbf E =...
Asked on 06/13/2021
1 answerThis is related to Measuring one-way speed of light with gravitational lensing and Measuring the one-way speed of light with a black hole? The idea is to shine...
Asked on 06/13/2021 by Whynaut
1 answerI have this grave confusion that I have been having since a while.When we calculate the electric field due to an infinite plane sheet of charge then the answer...
Asked on 06/13/2021 by Karan Singh
2 answerQuestionI have worked on an exercise and proved that$$nabla_{mu} xi_{nu}+nabla_{nu} xi_{mu}=0$$ i.e. that $xi_mu$ is a Killing vector. Now I wonder if it therefore...
Asked on 06/13/2021 by Mattias Johnson
2 answerSo, the cutoff freq, $f_c$ of a rectangular waveguide is following: $$f_{c}=frac{1}{2pisqrt{mu epsilon }}sqrt{(frac{pi}{a})^{2}}.$$ For TE10 mode, the equation is a little weird as I am dropping some...
Asked on 06/13/2021 by Chtholly
1 answerI have read many answers on stack exchange about what is the physical meaning of enthalpy, and there are some wonderful explanations. one analogy i find very satisfying is it...
Asked on 06/13/2021
2 answerI'm a little confused with this high-school mechanics question. Where you have two spring with different spring constants, say $k_1$ and $k_2$, we joint them together and of...
Asked on 06/13/2021
3 answerI have read a long time ago of early experiments in the evaporation rate of surface water, and a discovery that in addition to the Sun's impact on the temperature...
Asked on 06/13/2021
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