asked in Electrical Engineering by
What is the energy stored in the magnetic field at a solenoid of 40 cm long and 4 cm diameter wound with 100 turns of wire carrying a current at 20A? 

(A) 0.705 Joule (B) 0.789 Joule (C) 0.587 Joule (D) 0.658 Joule 

Know someone who can answer this question ? Share this on Facebook, Twitter, Whatsapp

← Prev Question Next Question →

Please log in or register to answer this question.

Ask now - it's free