English: And this is r V_(m) is 100 sin ω t. If if add this 2, then this will be r what call this v_(t) ; that means, this one r this plot this is 120 + 100 sin ω t. This plot is this one and individually if make it, this is 100 sin ω t and this is the DC means is the constant line this is 120 volt is mentioned.
Telugu: , ఈ 2 ను జోడిస్తే, ఇది v(t); అంటే, ఈ ప్లాట్లు ఇది 120 + 100 sin ωt.