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he Ex X C https:// /Common/TakeTutorial Assignment.aspx usi38ok.theexpertta.com Home I Stude joshuaquansah@rocketmail.com My Account Log Out Class Management I Help Homework S Begin Date: 3/15/2016 12:00:00 AM Due Date: 4/8/2016 5:00:00 PM End Date: 4/8/2016 5:00:00 PM (7%) Problem 11: Suppose a 62 Hz, 480 VAC source is connected to a 25 F capacitor. Randomized Variables 62 0.175 kHz 25 Assignment Status Click here for A 50% Part (a) What current flows in A? detailed view Grade Summary Deductions 100% Problem Status sino coso tano 7 8 9 HOME Sub Attempts remaining: 10 Completed per attempt 1 2 3 Completed atano acotano sinh0 detailed view Completed cosh tanh 0 cotanh0 BACESPACE CLEAR Degrees O Radians Completed Completed give up! Completed Hints 0% deduction per hint. Hints remaining: 3 Feedback: 0% deduction per feedback. Completed 10 Parti A 50% Part (b) What would the current be (in A) if we changed the source frequency to 0.175 kHz? 11 12 Completed 13 14 Parti 15 1:08 PM m Cortana. Ask me anything 4/8/2016

Explanation / Answer

a) Xc = 1/wC w = 2pi *62 = 389.55 ===> Xc = 1/ 389.55* 25*10^-6 = 102.68 ohms

I = V/ Xc = 480/102.68 = 4.67 A

b) w = 2pi *0.175*10^3 = 1099.55 ====> Xc = 1/ 1099.55*25*10^-6 = 36.38 ohms

I = 480/36.38 = 13.19 A

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