Question:

The instantaneous values of current and voltage in a AC circuit are given by: I = 6 sin (100πt + π/4) and V=5 sin (100πt -π/4) then

Options :

  • (a) voltage leads the current by 45 degree
  • (b) current leads the voltage by 90 degree
  • (c) voltage leads the current by 90 degree
  • (d) current leads the voltage by 45 degree

Answer :

(b) current leads the voltage by 90 degree

Answer Steps :

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