Response to the following problem:
The voltage across a 50-Ω inductive reactance is given. What is the sinusoidal expression for the current? Sketch the v and i sinusoidal waveforms on the same set of axes.
50 sin ωt
30 sin (ωt+20°)
40 cos (ωt+10°)
-80 sin (377t+40°)