Response to the following problem:
The current through a 10-Ω capacitive reactance is given. Write the sinusoidal expression for the voltage. Sketch the v and i sinusoidal waveforms on the same set of axes
i= 50 sin ωt
i= 40 sin (ωt+60°)
i= -6 sin (ωt-30°)
i= 3 cos (ωt+10°)