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n the figure are shown three capacitors with capacitances C1=6.00μF,C2=3.00μF,C3=5.00μF. The capacitor network is connected to an applied potential Vab. After the charges on the capacitors have reached their final values, the charge Q2 on the second capacitor is 40.0 μC.
a) What is the charge Q1 on capacitor C1?
b) What is the charge on capacitor C3?
c) What is the applied voltage, Vab?
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- Part A A 2.0-cm-diameter parallel-plate capacitor with a spacing of 0.50 mm is charged to 200 V. What is the total energy stored in the electric field? Express your answer in joules. Πνα ΑΣφ U = J Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B What is the energy density? Express your answer in joules per meter cubed. Vο ΑΣφ U = (m3A parallel-plate capacitor is made of two circular plates, each with a diameter of 2.50x10^-3 m. The plates of this capacitor are separated by a space of 1.40x10^-4 m. Assuming that the capacitor is operating in a vacuum and that the permittivity of a vacuum can be used, determine the capacitance for this arrangement. A. 2.65x10^-25 FB. 3.96x10^-23 FC. 1.24x10^-20 FD. 1.58x10^-10 FE. None of the AboveConsider the capacitor below, that is not connected to anything. The capacitor has a dielectric between its plates initially. The dielectric is slowly pulled out from between the plates. As that happens, how will the energy stored in the capacitor change? V1+ C1 O It will increase. O It will decrease. O It will stay the same.
- A 5.15 nF parallel-plate capacitor contains 26.0 µJ of stored energy. ▼ Part A What is the potential difference across the capacitor? Express your answer in volts. V = Submit Part B V = ΑΣΦ Submit Request Answer By how many volts would you have to increase this potential difference in order for the capacitor to store 52.0 μJ of potential energy? Express your answer in volts. VG ΑΣΦ ? Request Answer ?Which of the following statements is true? O A capacitor is charged when connected to a load O Capacitors in series means: CT = C1 + C2 + ... + Cn After inserting the dielectric between the plates, the amount of charge remains the same O After inserting the dielectric between the plates, the amount of capacitance remains the same6.A Three identical capacitors are connected as shown. You charge the capacitors by attaching batteries to points A, B and C (but not D). You then disconnect the batteries to find that the potential at point A is Va=100V, at point B is Vb=60V, and at point C is Vc=50V. The potential at point D is then: A bove D. a) (Va * Vb + Vc * Vb)'2 b) (Va + Vb + Vc)/3 c) (Va + Vc- Vb)/2 d) Va/100+Vb/60+Vc/50 e) Va*100+Vb*60+Vc*50 f) Va*Vb*Vc °.
- IP A parallel-plate capacitor has plates with an area of 1.1×10-2 m² and a separation of 0.83 mm. The space between the plates is filled with a dielectric whose dielectric constant is 1.9. ▾ Part A What is the potential difference between the plates when the charge on the capacitor plates is 4.0 μC ? Express your answer using two significant figures. 15. ΑΣΦ V= Submit ▾ Part B O Increase O Decrease Will your answer to part A increase, decrease, or stay the same if the dielectric constant is increased? O Stay the same Submit Request Answer Part D Part C Complete previous part(s) V= Request Answer Submit B ? Calculate the potential difference for the case where the dielectric constant is 4.1. Express your answer using two significant figures. VE| ΑΣΦ Request Answer V ? Ve1.0 μF capacitor has a potential difference of 6.0 V applied across its plates. a.How much energy is stored in the capacitor? b.If a sheet of mica (dielectric constant = 4.0) is now inserted between the plates, how much energy is now stored in the capacitor. Please give full reasoning to the answer and please explain each of the steps.
- The electric potential increases from 100 V to 800 V from the bottom plate to the top plate of a parallel-plate capacitor. a. What is the magnitude of the change in potential energy of a −3 × 10^−4 C charge that is moved from the bottom plate to the top plate? b. Does the potential energy increase or decrease in this process?b. Capacitor A and Capacitor B are two parallel plate capacitors. Capacitor B has twice the area and four times distance between plates of Capacitor A. (i) What is the ratio CB: CA, and (ii) What is the ratio of Energy stored UB:UA when the capacitors store the same charge on its plates?n Increasing the separation of the two charged parallel plates of a capacitor, which are disconnected from a battery, will produce what effect on the capacitor? O increase charge decrease charge increase capacitance O decrease capacitance