Question

Q1: Write an equation that describes voltage supplied by a wall outlet. (f=60 Hz, Vrms = 120 V) > Q2: What is the instantaneous voltage of a sine wave at half of a period?

Answer 1

2 N= Vp senat (Vpz Reak voltage) And NRMS = No V2 sq Np2 r2 Vems V p =((2) ( 120) Vpz 169071 ✓ Eed' w2 127 And f² 6 Hz, w2 21 f N = 169.71 sin (127t) su Instantaneous roltage is given by V= Vp sio ut Up sin (29f V = up in (187) 3 AK follane Ohms law a Resistor a son it does not depend ou frequency. is the correct refresentation 2 (a) ) 1 the 16 9 sa As capaci tive reactance = Xe2 frequency Puerteses, Xe decreases. is the correct represantation I so