Grade 12Electric Current
The magnitude of J of the current density in a certain lab wire with a circular wire cross section of radius 2.00mm is given by (J=3*10^8)*r^2 with J in amperes per square metre. what is the current through outer section bounded by r=0.900R and r=R??
The magnitude of J of the current density in a certain lab wire with a circular wire cross section of radius 2.00mm is given by (J=3*10^8)*r^2 with J in amperes per square metre. what is the current through outer section bounded by r=0.900R and r=R??
