AC (NCERT)
274626
An A.C. source is connected to a resistive circuit. Which of the following is true?
1 Current leads ahead of voltage in phase
2 Current lags behind voltage in phase
3 Current and voltage are in same phase
4 Any of the above may be true depending upon the value of resistance.
Explanation:
(c) When resistance is connected to A.C source, then current & voltage are in same phase.