In the graphical representation of e.m.f. $e$ and current $i$ versus $\omega t$ for an a.c. circuit,both emf and current reach zero,minimum,and maximum values at the same time. The circuit element connected to the source will be

  • A
    pure capacitor
  • B
    combination of capacitor and inductor
  • C
    pure resistor
  • D
    pure inductor

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