All Questions
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How different is the induced magnetic field of a coil with a solid rod core and a sheet-wrapped one? (Assuming both use the same material)
I'm doing research for a university project and looking for commercial references for Mu metal, I found out that in my country at P2B (particular to business) level, sheets are significantly easier to ...
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Why is mechanical work equal to Joule heating?
This question came about when I was doing a problem related to a conducting loop with resistance $R$ moving with velocity $v$ in a magnetic field. It asks you to verify an expression for the force ...
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If magnetic fields do not have any energy in them then, how could they work on charge?
We know that a magnetic field which is changing and is perpendicular to the velocity of charge $q1$ will create an Electric field which acts upon that $q1$ and does some work. Here the work is being ...
user316791
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Conceptual question about Magnetism? [duplicate]
I am confused about Magnetic force whether it does work or NOT because i think that the battery does the word and the magnetic force only redirects the work done by battery into some displacement etc. ...
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