thank you but q5 i had solve it now (U=5.71*10^-3) ^^
and i know that "^^ it will be hard to see 5 problem in one threat but i put them togther so anyone who see any easy problem of the five will answer it - and i don't want to make all the first advanced physics section page for my 5 problem...
Homework Statement
I REALLY REALLY REALLY NEED YOUR HELP - I TRIED TO SOLVE THEM BUT IT'S NO USED
I HAVE 5 PROBLEMS (I NEED YOU TO HELP ME SOLVE THEM EVEN IN ONE PROBLEM )
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Q1
A cylindrical capacitor consists of a solid inner conducting core with radius...