College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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All the capacitors in the figure below have a capacitance of 10.0 uF. Find the equivalent capacitance. If the voltage source provides a voltage of 13V, what is the energy of the system of capacitors?
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In the second half of step 2, shouldn't we multiply 10 x 15 because C = 10, not 5?
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In the second half of step 2, shouldn't we multiply 10 x 15 because C = 10, not 5?
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- Consider a cylindrical capacitor with two layers of dielectric materials. The inner conductor radius is a and the outer conductor radius is c. The inner dielectric material fills the thickness (b-a) and its permittivity is & and the outer dielectric material fills the thickness (c-b) and its permittivity is ε, as shown in the figure. Find the capacitance of the capacitor if its length is 1. Consider a spherical capacitor with two layers of dielectric materials. The inner conductor radius is a and the outer conductor radius is c. The inner dielectric material fills the thickness (b-a) and its permittivity is & and the outer dielectric material fills the thickness (c-b) and its permittivity is ६, Find the capacitance of the capacitor.arrow_forwardItem 15 Now we will consider some slightly different related scenarios to Example 21-18. Part A Example 21-18 depicts the following scenario. A circuit consists of a resistor R₁ = 126-, a resistor R₂ = 275-, a capacitor C = 182-μF, a switch, and an € = 3.00-V battery all connected in series. Initially the capacitor is uncharged and the switch is open. At time t=0 the switch is closed. increase decrease stay the same 3.00 V Suppose the resistance of the 126-2 resistor is reduced by a factor of 2. Assume everything else in the problem remains the same. Does the final value of the charge on the capacitor increase, decrease, or stay the same? Submit Request Answer ww 126 Ω 182 μF HH 275 Ω < 15 of 15 Reviewarrow_forwardA 33.0 µF capacitor is charged with 13.30 V power source, how much charge is stored in that capacitor? Where is the charge stored?arrow_forward
- Look at the arrangement of the capacitors below. A) Find the equivalent capacitance of the arrangement. B) What is the voltage across each capacitor? V₁ = V₂ = V3 = V4= C) What is the magnitude of the charge stored on each capacitor's plates? Q₁ = Q₂ = Q3 Q4= A AV₁ = 10 volts AB 6F 4 F 6 F 4 F B Now imagine that a dielectric with dielectric constant k = 5.0000 is placed inside the upper left capacitor. D) Find the new equivalent capacitance of this arrangement. AVAB 10 volts still A k=5.0000 THE 6 F B 4F 4Farrow_forwardThe electric potential energy stored in the capacitor of a defibrillator is 100 J, and the capacitance is 110 μF. What is the potential difference across the capacitor plates?arrow_forwardEMF = Vo = 6 volts. and C = 5 μF Calculate the theoretical value of the charge (q) in the capacitor as it is discharging at t = RC. Use equation 5.arrow_forward
- Write the correct answer true or false.arrow_forwardA leaky capacitor loses 22% of its charge in 13 min. What is the effective time constant of the system? The time constant, t = What fraction of charge (in %) will be on the capacitor after 39 min? Q Qo After what time there will be 4% of the initial charge left on the capacitor? The charge, The time, t = Units Select an answer ✓ x 100% = Units Select an answer ✓ Units Select an answer ✓arrow_forwardCapacitances of 20uF and 60uF are connected in a parallel, and this pair is then connected in series with a 50uF A. Draw & Label B. What is the equivalent capacitance of this arrangment ?arrow_forward
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