Question

h. Referring to vi and V2 in the figure, which of the following is a true statement? a. v, v",sin(t-4) and V2 lags v1 by ф b. V2 :1 v",sin(t-4) and V2 leads vi by ф C. V2-vmSin(t + ф) and V2 lags vi by ф d. v2 vmsin(t + ф) and V2 leads vi by ф vm /v.5% i) The phasor representation of 120 V house voltage is )120V 260Hz 2) I 20 VII 20 π 3) 170V 20 j) 300 cos (200t 45) + 400 cos (200t 60) 1) 500 cos (200t + 15") 2) 700 cos (200t+ 15*) 3) 700 cos (400t 7.5) 4) 484 cos (200t 48.5) 5) 433 cos (200t + 18") k) At 2 kHz, a 4 uF capacitor has an impedance of ) j0.0503 2) -j19.89 S2 3) -j125 2; 4) j0.008 2 5) -j0.0503 2 l) The circuit shown on the right is a I) high-pass filter 2) low-pass filter 3) band-pass filter 4) band-reject filter (aka notch filter) R V out in

help with all of them please

Answer 1

Ahswer: (a) U2 Explaination V, Um Sint (Given data ) (rekrenre vecfor) Vz vector starts a伙r angle V2.um sin (t+) pha sor re presen tofion Exampe: Pnqle maqntu de v 12ov Given da ta answer (2) SO maqnituele Ae

cos (200t-4s°) +400 cos (2001 +6o Cohvert into phasor hotations 300 2-45400 +60 433. 455 18.046 4 3 3 Cos( 200t t18。 Ahswer: 5 mpedanre も--JXc Xc- Ca pacftve. Heactance afc 2000 Answer:2 Answer : (2 AnswXow pass Aiter L. Fx plaina'fion wheh frequenru f-o Du means it allows Vous frepuen Siqhals So cirtuit is a ow pass fAlkr.