Calculating the Capacitance of Parallel Plates, Coax Cable and Concentric Spheres

Physics Ninja looks at the calculation of the capacitance for 3 geometries: Parallel Plates, Coax Cable and Concentric Spheres. Gauss's Law is first used to find the electric field, then the voltage difference is between the oppositely charge objects is found followed by the capacitance calculation.

[@Tommybotham]

I'm really really in awe of your ability to explain and mediate our beloved Physics. I'm learning a lot.

[@josephinesarah6500]

thank you so much.
you’re the best.
i feel guilty to watch your videos for free honestly.
wonderful explanations. thank you so much.

[@myatnoeeain4881]

I have Physics exam. Thanks for saving my life.

[@PhysicsNinja]

Happy to help!

[@codychao7656]

It’s very helpful for me,although I’m a Chinese boy I believe that Academic without boundaries

[@PfLibrary-he4qq]

better than some other overrated organic tutors .I like your channel sir

[@PhysicsNinja]

Thanks for the kind words. Tell your friends.

[@HecJ]

Organic chemistry tutor slander will not be tolerated 😤😤

[@aravindakannank.s.]

my doubt is in sphere case pontential outside the b sphere can be calculated by adding the E.fields of both spheres right , which means is that zero if both sphere have same charge
similarly in cylinders also😅
by the way great explanation

[@alfinnizar6208]

Thanks a lot

[@seniorshimhanda5690]

I have watched most of your videos and many thanks for your knowledge. Kindly recommend the source of the Electromagnetic problems you normally solve in your videos. I am preparing for a difficult entrance exam and I presently need additional problems to practice properly.

[@PhysicsNinja]

At an upper undergraduate level I recommend Intro to electrodynamics by Griffiths.

[@seniorshimhanda5690]

Thank you for your prompt response!

[@Tommybotham]

@@PhysicsNinja I actually have that book!

[@seniorshimhanda5690]

@@Tommybotham Griffith + Halliday = silver bullets

[@21506ash]

Thanks!

[@nishantbedikumar3076]

Love from
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[@dankodnevic3222]

Great content, as always. I have really hard question, how to calculate characteristic capacitance along vertical wire over ground plane? I mean on infinitesimally small wire segment at the height h, over the ground plane, along vertical wire with radius r? Or, if not possible, capacitance of vertical wire (cylinder), over the ground plane, ignoring top and bottom exposed to the GP?

[@KelsoLucke]

for the spherical and cylindrical parts, when switch the order of the bounds for the integration to get rid of the minus, shouldnt the the bounds switch places too? as in -integ(a->b) -> integ(b->a)

[@5vart5ol]

yes, he missed that. Testing the audience.

[@nishantbedikumar3076]

Wrong induction charge diagram in last but thanks a lot