▼ Part C - Comparing capacitors Four parallel-plate capacitors are constructed using square plates, and each has a dielectric inserted between the plates. Rank the capacitance of each capacitor in order from highest to lowest. Capacitor A: side length I, distance between plates d, dielectric constant K. Highest capacitance Submit Request Answer Part D - Calculating the charge on a capacitor 123+ Value Capacitor B: side length 1/2, distance between plates d/2, dielectric Capacitor D: side length 1, distance between plates 2d, dielectric constant 2K. Ⓒ 3 ? A capacitor with capacitance (C) = 4.50 µF is connected to a 12.0 V battery. What is the magnitude of the charge on each of the plates? Express your answer with appropriate units. Units Reset Help Capacitor C: side length 21, distance between plates d, dielectric constant 2K. Lowest capacitance

An air-filled parallel plate capacitor has a capacitance of Co, a charge of Qo and a potential difference of Vo when the plate area is A and the plate separation is d. Which of the following statements is true if the plate separation is reduced to d/2? 1: The capacitance is increased to 2C0 II: The charge is increased to 2Q0 II: The potential difference between the plates is reduced to Vo/2 I only. O l and I O Il and II I and II None of the three statements is true. O None of the options above.

1. A parallel-plate capacitor is filled with two dielectric materials in a configuration shown below. The total area of the plate is A. (a) Find the capacitance C in terms of A, d, ɛ1, and ɛ2. (b) Suppose that the positive plate carries charge Q, find Qr and Q2 in terms of Q as the charges on the left- and right- hand sides of the plate, respectively. Neglect fringing fields in above calculations. W/2 W/2

NETWORK OF CAPACITORS. thank you in advance!

1) Four capacitors are connected to a battery as shown in the figure below, C, = 20 1) uF, С2 %3D 10 мF, C; %3D 14 uF, Сд %3D 30 мF, and Vo %3 45 V. Find; Vo a. The equivalent capacitance of this set of capacitors. b. The potential difference across each capacitor. c- The charge on each capacitor d. The energy stored in C4. e- The total energy stored in the four capacitors.

In the figure the battery has a potential difference of V = 10.0 V and the five capacitors each have a capacitance of 11.0 µF. What is the charge on (a) capacitor 1 and (b) capacitor 2? C2

1. A parallel-plate capacitor is made from two sheets of metal, each with an area of 1.0 m², separated by a sheet of plastic 1.0 mm thick, as shown below. The capacitance is measured to be 0.05 μ F. R=2x1065 C=5x10-8F &=30 V Plastic a. What is the dielectric constant of the plastic? The uncharged capacitor is then connected in series with a resistor R = 2x10º2, a 30-V battery, and an open switch S as shown in the figure above. The switch is then closed. b. What is the initial charging current when the switch S is closed? c. Determine the magnitude and sign of the final charge on the bottom plate of the fully-charged capacitor. d. How much electrical energy is stored in the fully-charged capacitor?

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i. A parallel plate capacitor has two square plates of side length L, and the plates are separated by distance d. How would the capacitance change if the side length of the plates doubled? ii. How would the capacitance of the above capacitor change if the separation distance between the plates doubled? iii. If I insert a dielectric material of dielectric constant κ>1 between the plates of the capacitor (there was only air there before), does the capacitance increase, decrease, or stay the same?

Across a 1µF spherical capacitor, the potential difference is 220V. Suppose that the capacitor's outer radius and inner radius were tripled their original size, but the charge was kept constant. Choose what change will happen to the potential energy of the capacitor. Its PE will be equal to the original value. b. Its PE will be triple of its original value, Its PE will be 1/9 of its original value. d. Its PE will be 1/3 of its original value. а. С.