Finding the current in a magnetic structure

[@bagwe9]

Which software is this ?

[@ElectricalEngineeringAuthority]

Rishikesh, it is Goodnotes on Ipad

[@محمدالجبوري-ه7ج]

What is the type of ipad

[@محمدالجبوري-ه7ج]

I need your help to helping the students in this time with covid_19 so you can watch how i help them in classical methode just using pen and paper so it is difficult methode to explaination