Question

(a) Calculate the self-inductance of a 49.0 cm long, 10.0 cm diameter solenoid having 1000 loops.

____mH

(b) How much energy is stored in this inductor when 19.7 A of current flows through it?

____ J

(c) How fast can it be turned off if the induced emf cannot exceed 3.00 V?

____s

Answer 1