A Matter-and-Interactions.pdf - Adobe Acrobat Reader DC (32-bit)File Edit View Sign Window HelpHomeToolsMatter-and-Interac. xSign In794 (812 of 1030)100%a praic vutsIuc a cIcuiar capacnor IS apprUAmatryQy GIve a comprete vut orier expianation Tor uie venaviorof the current during the discharging of a capacitor in acircuit consisting of a capacitor and light bulb. Include detaileddiagrams. Explain, don't just describe.QIA GRA more extensive analysis shows that this trend holds true for theentire charging process: the capacitor with the narrower gap endsup with more charge on its plates.Q4 The insulating layer between the plates of a capacitor notonly holds the plates apart to prevent conducting contact but alsohas a big effect on charging. Consider two capacitors whose onlydifference is that capacitor number 1 has nothing between theplates, while capacitor number 2 has a layer of plastic in the gap(Figure 19.57). They are placed in two different circuits havingsimilar batteries and bulbs in series with the capacitor.Q10 Give a complete but brief explanation for the behaviorof the current during the charging of a capacitor in a circuitconsisting of batteries, bulb, and capacitor in series. Includedetailed diagrams. Explain, don't just describe.Q11 Figure 19.58 shows three circuits labeled A, B, and C. Allthe thin-filament bulbs, capacitors, and batteries are identicaland are like the equipment you used in class. The capacitors areinitially uncharged. In each circuit the batteries are connectedfor a short time Tand then disconnected. The time T'is only 10%of the total charging time through a single thin-filament bulb, sothat the bulb brightness doesn't change much during the time T.AFigure 19.57Show that in the first fraction of a second the current staysmore nearly constant (decreases less rapidly) in the circuit withcapacitor number 2. Explain your reasoning in detail. Hint:Consider the electric fields produced in the nearby wires by thisplastic-filled capacitor.Suppose that the plastic is replaced by a different plastic thatpolarizes more easily. In the same circuit, would this capacitorkeep the current more nearly constant or less so than capacitor 2?Figure 19.58(a) In which circuit (A, B, or C) does the capacitor now havethe most charge? Explain. (b) In which circuit (A, B, or C) doesActivate WindowsGo to Settings to activate Windows.6:45 PMP Type here to searchPE5/26/2021近 A Matter-and-Interactions.pdf - Adobe Acrobat Reader DC (32-bit)File Edit View Sign Window HelpHomeToolsMatter-and-Interac. xSign In794 (812 of 1030)100%QUESTI ONSQ1 How is the initial current through a bulb affected by puttinga capacitor in series in the circuit? Explain briefly.Q2 How is the charging time for a capacitor correlated withthe initial current? That is, if the initial current is bigger, is thecharging time longer, shorter, or the same? Explain briefly.Q3 Consider two capacitors whose only difference is that theplates of capacitor number 2 are closer together than those ofcapacitor number 1 (Figure 19.56). Neither capacitor has aninsulating layer between the plates. They are placed in twodifferent circuits having similar batteries and bulbs in series withthe capacitor.A more extensive analysis shows that this trend holds true forthe entire charging process: the capacitor containing an easilypolarized insulator ends up with more charge on its plates. Thecapacitor you have been using is filled with an insulator thatpolarizes extremely easily.Q5 Suppose that instead of placing an insulating layer betweenthe plates of the capacitor shown in Figure 19.57, you inserteda metal slab of the same thickness, just barely not touching theplates. In the same circuit, would this capacitor keep the currentmore nearly constant or less so than capacitor 2 in Question Q4?Explain why this is essentially equivalent to making a capacitorwith a shorter distance between the plates.Q6 How does the final (equilibrium) charge on the capacitorplates depend on the particular resistor (for example, the kindof bulb or the length of Nichrome wire) in the circuit duringcharging? Explain briefly.Q7 How does the final (equilibrium) charge on the capacitorplates depend on the size of the capacitor plates? On the spacingbetween the capacitor plates? On the presence of a plastic slabbetween the plates?Q8 Researchers have developed an experimental capacitor thattakes about eight hours (!) to discharge through a thin-filamentbulb. They propose using this in electric cars to provide a burstof energy for emergency situations (it would be charged at a slowrate during normal driving). Describe in general terms the keydesign elements of this extraordinary capacitor.1Figure 19.56Show that in the first fraction of a second the current staysmore nearly constant (decreases less rapidly) in the circuit withcapacitor number 2. Explain your reasoning in detail. Hint: Showcharges on the metal plates, and consider the electric fields theyproduce in the nearby wires. Remember that the fringe field neara plate outside a circular capacitor is approximatelyQ9 Give a complete but brief explanation for the behaviorof the current during the discharging of a capacitor in acircuit consisting of a capacitor and light bulb. Include detaileddiagrams. Explain, don't just describe.O0 Civa complata hut briaf oxnlanatiActivate WindowsGo to Settings to activate Windows.Q/AA more extensive analvsis shows that this trend holds true for thefor the bahavior6:46 PMO Type here to searchw5/26/2021

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1) When one places a capacitor in a circuit containing a light bulb and a battery, the capacitor…

Q1 How is the initial current through a bulb affected by putting a capacitor in series in the circuit? Explain briefly.