webassign.net | Mai Homework 04 According to its design the timer circu\'t d Nee
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webassign.net | Mai Homework 04 According to its design the timer circu't d Need Help?Read It 8. 2/4 points| Previous Answers SerPSET9 26.P.017 My Notes According to its design specification, the timer circuit delaying the dosing of an elevator door is to have a capacitance of 39.0 F between two points A and B. when one circuit is being constructed, the inexpensive but durable capacitor installed between these two points is found to have capacitance 40.8 F. To meet the specification, one additional capacitor can be placed between the two points. (a) Should it be in series or in parallel with the 40.8 F capacitor? in series in parallel (b) What should be its capacitance? 0088 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. F (c) The next circuit comes down the assembly line with capacitance 38.7 F between A and B. To meet the specification, what additional capacitor should be installed in series or in parallel in that circuit? magnitude orientation in parallel Need Help?Read It essPractice Another Version Submit Answer Save Progress 9. 12 points SerPSET9 28.P.021.MI.SA My Notes This question has several parts that must be completed sequentially. If you skip a part of the question, you wil not receive any points for the skipped part, and you will not be able to come back to the skipped part. Tutorial Exercise A group of identical capacitors is connected first in series and then in parlel. The combined capacitance inExplanation / Answer
(a)In series
The effective capacitance will be less.
(b)Let C be the capacitance.
1/39 = 1/40.8 + 1/C
1/C = 1/39 - 1/40.8 => C = 884 uF
Hence, C = 884 uF
(c)In parallel, to increase the capacitance.
38.7 + C = 39
C = 39 - 38.7 = 0.3 uF
Hence, C = 0.3 uF
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