Of course, nasaspook, we should review it, but I did knew this theory many years ago when I was in 9-grade class and I did give my answer.
Could anyone give me your numerical answer, that is all I need
to BvU:
Well, this problem can be solved simply by re-draw the circuit with the rule as: Consider all points that have the equal potential is one. So we can have a new and simple diagram, from it we get I1, I2, I3, I4, and of course, I5=0 as mentioned above. It's my steps
My little brother: I...
Yeah, my steps: this DC circuit is a familiar one and we only need to know that with the given assumption as the ammeter is ideal, the potential difference between two points of \ R_5 is zero, then as a consequence \ {I_5}=0A. And \ {I_1}=2A, \ {I_2}=2A,\ {I_3}={I_4}=1A, then from Kirchooff...
Thanks naspook
I did have the solution that was solved by myself, and I think it's suitable for pupils, not a student but one day, my little brother gave a solution that was different to mine, and he believes that my solution is not right, So I need an answer from you to check.
Homework Statement
Left blank
Homework Equations
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The Attempt at a Solution
Well, I am not familiar with the Latex system on this website, just because I am a newbie and I rarely access to this forum. I have a problem (may be simple for you guys) but I still need a...
Homework Statement
\hat T = \frac{{\hat L_z^2}}{{2I}} = - \frac{{{\hbar ^2}}}{{2I}}\frac{{{\partial ^2}}}{{\partial {\varphi ^2}}}
Homework Equations
Find eigenfunctions and eigenvalues of this operatorThe Attempt at a Solution
It leads to the differential eqn
- \frac{{{\hbar...
Thanks
I still prefer a direct method than using quite complicated calculation, then find out a meaning behind an expression. Maybe later I would do it smoothly but now I am just newbie with Vector calculus.
I am unfamiliar with Vector calculus, a tool for learning Physics
I select a homework I did not solve yet, then hope a help from you guys, in attachment pdf file
My attempt: I tried to use BAC-CAB rule, but the key hardness of mine is I still do not know the concepts clearly (as you know a...
I am confronting with how to realize the difference between two formulae belows
\left( {\vec a \times \nabla } \right) \times \vec b, and \left( {\nabla \times \vec a} \right) \times \vec b, in here
\nabla is Del (also known as nabla)
Thanks