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E ata The Expert TAI Human C Consider A Conducting Roc C Consider A Generator That http://usq45tx theex Class Management | Help Assignment-4 Begin Date: 3/20 2018 12:01:00 AM-Due Date: 3 27 2018 11:59:00 PM End Date: 3:27 2018 11:59:00 PM (14%) Problem 5: A 17.5 Hz, 15 V source produces a 1.8 mA current when connected to a capacitor Randomized Variables f 17.5 Hz V- 15 V I- 1.8 mA Assignment Status Click here for detailed view What is the capacitance in F? Grade Summary 0% 100% Problem Status sin() cos() tan() | ( acos Submissions Allempls remainiug: 10 3er attempt) cotanasin) atan acotan sinh detailed view cosh tanhtO Degrees O Radians ACKSPACE CLBAR Submit Hint Hints: 190 deduction pe r hint. Hints remaining:2 Feedback: 0% deduction per feedback 5:23 PM Type here to search :R: 14° 3/23/2018

Explanation / Answer

We know that

Z = V/i

Z = 15/(1.8*10^-3) = 8333.33 ohm

In a pure capacitance circuit

Z = Xc

w = 2*pi*f

Now

Xc = 1/wC

C = 1/(2*pi*f*Xc)

C = 1/(2*pi*17.5*8333.33)

C = 1.09*10^-6 F

C = 1.09 uF

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