A coil of inductance L has an inductive reactance of ${\mathrm{X}}_{\mathrm{L}}$ in an AC circuit in which the effective current is I. The coil is made from a super-conducting material and has no resistance. The rate at which power is dissipated in the coil is

• A

  0

• B

  ${\mathrm{IX}}_{\mathrm{L}}$

• C

  ${\mathrm{I}}^2{\mathrm{X}}_{\mathrm{L}}$

• D

  ${\mathrm{IX}}_{\mathrm{L}}^2$