Physics Questions, Problems & Solutions : TransWikia.com ~ Page 713

Principle of capacitor

It is said that second conductor reduces the potential of fist conductor and hence increases charge taking ability of first conductor...

Asked on 12/24/2020 by Aman

1 answer

Could there be elementary particles with electric charge $> 2e$?

There are many quantum field theories, which extend the Standard Model and have new particles. For example, X boson of Georgi-Glashow model has charge $4e/3$ and some Higgs models...

Asked on 12/24/2020 by Zeick

2 answer

How do I write the matrix for the operator $hat{S_y}$ in the basis ${|{↑}_x⟩ , |{↓}_x⟩}$?

I know how to write the matrix for the operator $S_y$ in the ${|{↑}_zrangle , |{↓}_zrangle}$ basis, but I don't understand how to write it in the ...

Asked on 12/24/2020

2 answer

Seiberg-Witten Map Derivation

In the original paper defining the Seiberg-Witten map, I have been confused about the following step in their derivation. Using the gauge transformation constraint, they write...

Asked on 12/24/2020

1 answer

Worldsheet SCFT on a lattice

My question is clear from the title. I'm curious whether it is possible to put the string world sheet SCFT on a lattice. I expect when the world sheet theory...

Asked on 12/24/2020

1 answer

Hermitian operators in the expansion of symmetry operators in Weinberg's QFT

This is related to Taylor series for unitary operator in Weinberg and Weinberg derivation of Lie Algebra. $textbf{The first question}$On page 54 of Weinberg's QFT I, he...

Asked on 12/24/2020

1 answer

Formula for calculating the spin orbit coupling of atoms with $Z$ atomic number

Is it possible to use this formula $$Delta E=frac{E_n}{n}(Zalpha)^2left(frac{1}{j+1/2}-frac{3}{4n}right)$$ to determine the spin orbit coupling of an atom with atomic number $Z$ at energy level $n $?...

Asked on 12/23/2020 by dorian drevon

0 answer

Current flow in AC circuits

First off I apologise if these questions have been asked numerous times before. I’m having trouble visualising the flow off electrons in an AC circuit, particularly with a grounded neutral...

Asked on 12/23/2020 by Simon Baughurst

2 answer

Is a constant pressure adiabatic irreversible expansion possible?

We know that adiabatic law for an ideal gas is, $$ PV^{gamma} =C$$ the differential of this under constant pressure is, $$ P gamma V^{gamma-1} dV =...

Asked on 12/23/2020

2 answer

Thermal diffusion equation with heat per unit length?

Let us say we have a metal rod. Along that rod there is a rate of heat generation of H per unit length. If we assume we are in the...

Asked on 12/23/2020

1 answer

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