A coil has inductance 2 H and resistance 4 Ω. A 10 V DC source is applied. After current reaches steady state, the magnetic energy i s ______ × 10⁻² J.
Physics · Electromagnetic Induction · Self-Inductance, Induced EMF and Transient Analysis of L-R Circuits
A coil has inductance 2 H and resistance 4 Ω. A 10 V DC source is applied. After current reaches steady state, the magnetic energy is ______ × 10⁻² J.