An AC square wave has a peak voltage of 3 V and a frequency of 48 kHz. Find (a) the frequency of the fifth harmonic and (b) the RMS value of the fifth harmonic.
a) (a) 240 kHz, (b) 3 V
b) (a) 240 kHz, (b) 1.5 V
c) (a) 48 kHz, (b) 3 V
d) (a) 48 kHz, (b) 1.5 V