4,0 μF 25. Find the equivalent capaci- ν.0μ tance between points a and b in the combination of capaci tors shown in Figure P26.25. α Figure P26.25
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Q: (1) Compute the equivalent capacitance of the network. 6 uF uF 6 uF 4 uF 4 uF 6 uF 6 uF 6 uF
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Q: If a = 30 cm, b = 20 cm, q = +8.9 nC, and Q = -2.4 nC in the figure, what is the potential…
A: The given data are: a=30 cm=0.3 mb=20 cm=0.2 mq=8.9 nC=8.9×10-9 CQ=-2.4 NC=-2.4×10-9 C
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Q: The capacity of a full cylindrical capacitor of length L with inner radius a and outer radius b, C…
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- Three capacitors have capacitances 20.0 µF, 30.0 µF, and 40.0 µF. What is their effective capacitance Cequiv,p if the three capacitors are connected in parallel? What is their effective capacitance Cequiv,s if the three capacitors are connected in series? Cequiv,p Cequiv,s = = μF µFa. Find the equivalent capacitance of a 6-μF capacitorand a 12 μF capacitor connected in (a) series, (b) parallel.b. Find the effective capacitance of a 5 μF capacitor anda 12 μF capacitor connected in (a) series ang (b) parallel.c. A 20 and a 60-μF capacitor are connected in parallel.Then the pair are connected in series with a 40-μFcapacitor. What is the equivalent capacitance?C3 C1 = 6.00 jaF, C2 = 1.00 uF, C3 = 3.00 µF, C4 C4 = 6.00 µF, Vab = 12.0 V C Figure 1. Network of Capacitors for Questions 1 to 4. In Fig. 1, the equivalent capacitance of the network of capacitors connected to the DC source is most nearly А. 0.833 иF. В. 1.20 рF. C. 2.00 µF. D. 0.500 uF. Е. 1.00 иF.
- A2.0 µF capacitor is charged to 12 Vand then discharged througha 4.0 M2 resistor. How long will it take for the voltage across the capacitor to drop to 3.0v? Hint: The unknown time is in "log jail". Break it out with the inverse function of the exponential. O 8.0 s O 24 s O 11 s O 22 s100.0kN and C Given the following RC circuit, with R time constant T. Then let a voltage of 45.0 V be applied to a charging capacitor. How long will it take for the capacitor to reach four fifths of the original charge Qmaz? 12.5µF, determine the R I VAt t 0 the switch S is closed with the capacitor uncharged. If C = 30 mF, & = 30 V, and R = 7.9 kO, what is the potential difference across the capacitor when 2.0 mA? O a 6.30 V O b. 10.25 V Oc 18.15 V Od. 14.20 V O e. 22.10 V
- What value resistor will discharge a 2.90 μF capacitor to 20.0% of its initial charge in 2.60 ms?You have a capacitor that's discharging through a resistor toward zero voltage. What fraction of the inital voltage will the capacitor have after time 2RC?When an initially uncharged capacitor is charged through a 25-k resistor by a 75-V dc ideal power source, it takes 0.30 ms for the capacitor to reach 50% of its maximum charge? What is the capacitance of this capacitor?
- 15V a. + AM 10.2. 4 t=0 um 45² 652 im + V 1 ic (t) b. Assume switch has been closed for Find a mathematical expression for Vc it capacitor is initially uncharged and the switch is closed at t = 0. Sketch Vc lt). 20m F a long time. opening Fird an expression for ic immediately after the switch and sketch it.A capacitor of capacitance C is connected to four resistors R = 62 R, = 4O R, =90 and R 60 %3D and a battery V= 36 V with an open %3! switch. R, R. R R. What is the voltage across R1 when the switch has just been closed? Select one: O a 21.6 V O b. 0V O c. 14.4 V O d. 36 V The following is a part of a circuit. The potential of V = 200 V is provided at point a that is connected to resistors = 40 2=60 and 3 =9 12:12 PM 5/13/2021 近E c) TM Figure 1 below shows a network of capacitors connected to point A and B. Determine the effective capacitance of this circuit. &U 3UTM 5 UTM 2 µF A O 2 µF IM 5 UTM U 3 µF 4 µF 2 µF 1 µF в о- IM 2 µF