In: Physics
A solenoid has N=1000 turns, length l=20 cm, and radius r=1.0 cm. (a) What is its self-inductance? (b) You are ramping up the current from 0 to 1.0 A in 1.0 s. How much voltage do you have to apply? (c) Calculate the energy stored in the inductor when the current is 1.0 A.