The black post has a coil inside which produces a constantly-changing magnetic field around it. This constantly changing magnetic field induces a current.
Lecture 20-1 Alternating Current (AC) = Electric current that changes direction periodically ac generator is a device which creates an ac emf/current.
Lecture 21-1 Resonance For given peak, R, L, and C, the current amplitude I peak will be at the maximum when the impedance Z is at the minimum. Resonance.
Induction Self-Inductance, RL Circuits V t 0 L L/RL/R R I a b L I X X X X X X X X X X X X ab.
Self-Inductance
Self-Inductance AP Physics C Montwood High School R. Casao.
Chapter 24 Inductance and Circuit Oscillations. Main Points Inductance and Inductors Energy in Inductors and in the Magnetic Field RL and RC Circuits.
