hi can somebody help me with this??
a solenoid of length L and radius R carries a current I in its N turns. what is the total energy stored in the magnetic field within the solenoid?
Compute the inductance L using the solenoid formula. You should be able to find the formula in your text or with a web search. To avoid confusion of symbols, call the length l.
The energy in the magnetic field is (1/2) L I^2.
I will try to find you a reference for computing the solenoid inductance and post it later
You can find the solenoid inductance formula at
http://hyperphysics.phy-astr.gsu.edu/hbase/electric/indsol.html
ty i got it!