(III) A 7.7-µF capacitor is charged by a 165-V battery(Fig. 17–43a) and then is disconnected from the battery.When this capacitor (C1) is then connected (Fig. 17–43b) toa second (initially uncharged)capacitor, C2, the final voltageon each capacitor is 15 V.What is the value of C2?[Hint: Charge is conserved.]C1VC2FIGURE 17-43Problems 46 and 58.(а)(b)

The equation between capacitance(C), potential difference (V) and Charge(Q) is Q=CV Given:…

Answered: (III) A 7.7-µF capacitor is charged by…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Two separate capacitors, C1 and C2 C1 = 36 micro-Coulomb on 3 micro-Farad C2 = 72 uC on X uF, X = 3.5 , if zero X =2 C2 had a gap of 0.2m maintained by a compressed plastic spring inside the gap, the natural spring length was 0.5m, the compressed spring length was 0.2 m. Spring constant = 8,000 micro-Newton/ meter Action: Connected the two capacitors in parallel Part A Find Q2-new, C2-new, new gap Part B Find the initial total energy, the final total energy
. (III) A 3.70µ f capacitor is charged by a 12.0-V battery. Itis disconnected from the battery and then connected to anuncharged 5.00µ fcapacitor (Fig.17–43). Determine the totalstored energy (a) before the two capacitors are connected, and(b) after they are connected. (c) What is the change in energy?
Consider a cloud to be one plate of a large capacitor and the earth below to be the other plate. Estimate the voltage between the cloud and earth if the cloud has a charge of -50 C (the earth below has an equal positive charge), is 2 km above the earth, has an area of 5 km x 5 km, and is separated from the earth by dry air. Use the formula C=KA/(4πk)d
(D) doubled, or EXERCISE 16.10 (a) Find the energy contained in a 2.50 x 10-5 F parallel-plate capacitor if it holds 1.75 × 10-³ C of charge. (b) What is the voltage between the plates? (c) What new voltage will result in a doubling of the stored energy? ANSWERS (a) 6.13 x 10-2J (b) 70.0 V (c) 99.0 V
(a) When a battery is connected to the plates of a 4.00-pF capacitor, it stores a charge of 72.0 µC. What is the voitage of the battery? (b) If the same capacitor is connected to another battery and 36.0 µC of charge is stored on the capacitor, what is the voltage of the battery?
I. Determine the unknown quantities on each circuit. 1.) C5 μF 2.) C1 = 1 µF C3 = 2 µF Find: Find: C2 = 2 µF C3 = 3 µF а. Ст а. Ст b. qт C,2 μF b. qT c. q1, q2, q3 d. V1, V2, V3 c. 91, q2, q3, q4, q5 C4 = 3 µF C5 = 1 µF d. V1, V2, V3, ,V4, V5 20 V 20 V II. Determine the total capacitance on each circuit. 1.) 2.) 9 μF 12 μF 8 µF + 4 µF 20 µF 12 μF H 5 µF 3 µF 5 µF 3.) 3 µF 4.) 3 µF 5.) 7 µF 5 µF 3 µF HAE H 5 μF 4 µF HH 2 µF
Calculate the voltage applied to a 293.0-pF capacitor when it holds 8.2? -E−10-C of charge.
(10)
2) Two parallel-plate capacitors are constructed using dielectric materials with dielectric constants K1 3 and K, = 5, as shown in Figure. Parallel-plates have the area A = 0.7 m². The distance is d = 0.05 m. A potential difference of AV = 24 V is applied to the circuit. (a) Find the equivalent capacitance of the system. (b) Find the potential AV1. (8=8.85×10-12 C²/N×m²) K1 A/2 AV1 K2 A/2 K2 K1 A/2 2d/3 d/3 K2 A/2 AV = 24 V
The parallel plates in a capacitor, with a plate area of 6.70 cm2 and an air-filled separation of 2.60 mm, are charged by a 7.70 V battery. They are then disconnected from the battery and pulled apart (without discharge) to a separation of 8.50 mm. Neglecting fringing, find (d) the work required to separate the plates.
12) Please help on the following question!
[IV] The electric potential V(x) as a function of position x in a certain region of space is as shown in the graph. The work done by the electric field to move a charge Q=2.0µC from x = 0 m to x = 10 m is (in units of uJ) is: 4 0 2 4 6 8 10 x(m) O 12.0 O - 12.0 O Zero O 60.0 V(x) in Volts

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