Skin effect and proximity effect - how they change resistance of wires

See a demonstration to understand how resistance of a wire changes due to skin effect and proximity effect

[@ritviivenkatesh5140]

Really good explanation. Cannot get any better!

[@turel528]

That's a really good explanation. Thank you!

[@alexxo78]

Nicely explained. The illustrations were very helpful!

[@hermanfourie66]

Thanks for creating this vid; the explanations are very intuitive and easy to follow :) .

[@alexengineering3754]

I did not know that proximity effect is so evil. That would explain, why some inductors perform so poorly even though the wire is smaller than the skin depth. Thank you!

[@blakeeiu]

When the coils are close, the magentic field of each individual wrap has an affect on many neighboring individual wraps. When the coil is spread, the magetic field only affects the closest neighbors. See inductive choking.

[@krish2nasa]

Excellent explanation. Thank you very much.

[@exubez276]

Great Video , looking forward for more insightful videos.

[@hallkbrdz]

Thank you for this simple but effective demonstration. I had been studying skin effect for coils I am making, but was puzzled why litz wire was specified with a much smaller area wires for a frequency than the skin area alone would suggest. I believe this must be due to minimizing the proximity effect.

[@denisywyu7864]

Thank you for the comment. I think litz wire needs to account for the proximity effect as well, so they are thinner

[@zhipingdong5621]

Interesting work!

[@gdehssalto8175]

amazing thx u!

[@davidzaharijevic5681]

Great video

[@ahmednor5806]

🙏🙏🌹🌹

[@StanZurek]

There is a really good paper on Encylcopedia Magnetica / Proximity loss

[@FratilaRadu]

Is AC resistance (skin or proximity effect) increased with higher currents ?

[@denisywyu7864]

this is a good question. I think the skin effect and proximity effects affect the area of the wire that can carry a current, which in principle does not depend on current. However, in reality, higher current means that there will be more heat generated, and so the temperature of the wire will increase, and resistance is temperature-dependent (usually higher resistance with higher temperature)

[@user-yq9nv6nj1k]

10/10

[@michaelbeckerman7532]

Does anyone know if the Skin Effect and the Proximity Effect have any impact on the transmission of audio signals through wires in a home audio system, such as with audio cables that connect speakers to amplifiers or receivers, or with HDMI cables that connect various devices within the home audio system? If so, what would this impact be and is it one that someone would need to be concerned about?

[@y_x2]

No

[@y_x2]

At higher frequency that your graph is showing the skin is more important.

[@gulafshabhatti9410]

at 3:49 what is D in equation of R_AC?

[@denisywyu7864]

Thank you for the question. D is the diameter of the wire

[@gulafshabhatti9410]

@@denisywyu7864 thank you sir