Maste Hw7 360tiiERJETSE https:// session masteringphysics.com /myct/itemView ?as
ID: 1434994 • Letter: M
Question
Maste Hw7 360tiiERJETSE https:// session masteringphysics.com /myct/itemView ?assignment ProblemID 59156055 Signed in as Yutong Deng Help l close GCPIIANDCPIISPRING2016 HW7 tem 2 Resources previous l 2 of 12 l next Item 2 Part A A 65.0 Hz generator with an ms voltage of 120 V Find the rms current in the circuit. is connected in series to a 3.20 k2 resistor and a 3.50 HF capacitor mA Submit My Answers Give Up Part B Find the phase angle, o, between the current and the voltage degrees Submit My Answers Give Up Provide Feedback ContinueExplanation / Answer
1. Z = sqrt(R^2 + Xc^2)
Z = sqrt(R^2 + 1/(wC)^2)
Z = sqrt(3200^2 + 1/(2*3.14*65*3.5*10^-6)^2)
Z = 3275.65 ohm
Z = Vrms/Irms
Irms = 120/3275.65 = 0.0366 amp.
2. cos phi = R/Z
phi = arccos(3200/3275.65)
phi = 12.34 deg