The voltage applied to a circuit is 100 √2 cos (100πt) volts and the circuit draws a current of 10 √2 sin (100πt + π / 4) amperes. Taking the voltage as the reference phasor, the phasor representation of the current in amperes is
1
10 ∠ − π / 4
2
12∠ + π / 4
3
10.14∠ − π / 4
4
10 ∠ + π / 4