Chapter 24: Alternating Current Circuits
Puzzles




1.  

"Ups and downs"
The figure shows a graph of the current in a series RLC circuit, I=Imaxcos(t). There are five points marked on the graph, labeled A, B, C, D, E. Please state at which point (or points) each of the following quantities are a maximum, a minimum, or zero:
  • The energy stored in the inductor
  • The voltage across the capacitor
  • The power input to the capacitor
  • The power output by the inductor
  • The charge on the capacitor
  • The voltage across the resistor


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