College Physics for AP Courses
1st Edition
ISBN: 9781630181871
Author: OpenStax, Ima Lyubkinskaya, Gregg Wolfe Douglas, Ingram, Liza Puiji, Sudhi Oberoi Nathan, Czuba
Publisher: OpenStax College.
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Textbook Question
Chapter 19, Problem 61PE
Find the total capacitance of the combination of capacitors shown in Figure 19.35.
Figure 19.35 A combination of series and parallel connections of capacitors.
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In the circuit shown below & = 66.0 V, R5
= 4.00, R3 = 2.00, R₂ = 2.20 ₪, I5 = 11.41 A, I₁ = 10.17 A, and i̟ = 6.88 A. Find the current through R2 and R3, and the values of the resistors R₁ and R. (Due to the nature of this
problem, do not use rounded intermediate values-including answers submitted in WebAssign-in your calculations.)
12
= 8.12
8.12
13
R₁₁ =
RA
=
A
Based on the known variables, which two junctions should you consider to find the current I3? A
6.9965
61.5123
Ω
Which loop will give you an equation with just R4 as the unknown? Did you follow the sign convention for the potential difference across each element in the loop?
R₁
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11
R₂
www
R4
www
14
8
15
www
R5
www
R3
A car traveling at 42 km/h hits a bridge abutment. A passenger in the car moves forward a distance of 53 cm (with respect to the road)
while being brought to rest by an inflated air bag. What magnitude of force (assumed constant) acts on the passenger's upper torso,
which has a mass of 43 kg?
Number i
Units
Three resistors R₁ = 88.1 Q, R2 = 19.9 £2, R3 = 70.00, and two batteries & ₁ = 40.0 V, and ε2 = 353 V are connected as shown in the diagram below.
R₁
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E₁
E2
R₂
ww
ww
R3
(a) What current flows through R₁, R2, and R3?
11
= 0.454
Did you choose directions for each of the three currents? Given that you have three unknowns to solve for, how many equations, at the least, will you need? A
12
= 1.759
Did you choose directions for each of the three currents? Given that you have three unknowns to solve for, how many equations, at the least, will you need? A
13
2.213
=
Did you choose directions for each of the three currents? Given that you have three unknowns to solve for, how many equations, at the least, will you need? A
(b) What is the absolute value of the potential difference across R1, R2, and R3?
|AVR1 = 40.0
How is the potential difference related to the current and the resistance? V
|AVR2
= 35.0
How is the potential difference related to the current and the resistance? V
|AVR3
=…
Chapter 19 Solutions
College Physics for AP Courses
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Ch. 19 - What is an equipotential line? What is an...Ch. 19 - Explain in your own words why equipotential lines...Ch. 19 - Can different equipotential lines cross? Explain.Ch. 19 - Does the capacitance of a device depend on the...Ch. 19 - Use the characteristics of the of the Coulomb...Ch. 19 - Give the reason why a dielectric material...Ch. 19 - How does the polar character of water molecules...Ch. 19 - Sparks will occur between the plates of an air...Ch. 19 - Water has a large dielectric constant, but it is...Ch. 19 - Membranes ii living cells, including those in...Ch. 19 - If you wish to store a large amount of energy m a...Ch. 19 - How does the energy contained in a charged...Ch. 19 - What happens to the energy stored in a capacitor...Ch. 19 - Find the ratio of speeds of an electron and a...Ch. 19 - An evacuated tube uses an accelerating voltage of...Ch. 19 - A bare helium nucleus has two positive charges and...Ch. 19 - Integrated Concepts Singly charged gas ions are...Ch. 19 - Integrated Concepts The temperature near the...Ch. 19 - Integrated Concepts (a) What is the average power...Ch. 19 - Integrated Concepts A lightning bolt strikes a...Ch. 19 - Integrated Concepts: A 12.0 V battery-operated...Ch. 19 - Integrated Concepts A battery-operated car...Ch. 19 - Integrated Concepts Fusion probability is greatly...Ch. 19 - Unreasonable Results (a) Find the voltage near a...Ch. 19 - Construct Your Own Problem Consider a battery used...Ch. 19 - Show that units of Vim and N/C for electric field...Ch. 19 - What is the strength of the electric field between...Ch. 19 - The electric field strength between two parallel...Ch. 19 - How far apart are two conducting plates that have...Ch. 19 - (a) Will the electric field strength between two...Ch. 19 - The voltage across a membrane forming a cell wall...Ch. 19 - Membrane walls of living cells have surprisingly...Ch. 19 - Two parallel conducting plates are separated by...Ch. 19 - Find the maximum potential difference between two...Ch. 19 - A doubly charged ion is accelerated to an energy...Ch. 19 - An electron is to be accelerated in a uniform...Ch. 19 - A 0.500 cm diameter plastic sphere, used in a...Ch. 19 - What is the potential 0.530 x 10-10 m from a...Ch. 19 - (a) A sphere has a surface uniformly charged with...Ch. 19 - How far from a 1.00 C point charge will the...Ch. 19 - What are the sign and magnitude of a point charge...Ch. 19 - If the potential due to a point charge is 5.00 102...Ch. 19 - In nuclear fission. a nucleus splits roughly in...Ch. 19 - A research Van de Graaff generator has a 2.00-rn-...Ch. 19 - An electrostatic paint sprayer has a...Ch. 19 - In one of the classic nuclear physics experiments...Ch. 19 - (a) What is the potential between two points...Ch. 19 - Unreasonable Results (a) What is the final speed...Ch. 19 - (a) Sketch the equipotential lines near a point...Ch. 19 - Sketch the equipotential lines for the two equal...Ch. 19 - Figure 19.28 shows the electric field lines near...Ch. 19 - Sketch the equipotential lines a long distance...Ch. 19 - Sketch the equipotential lines in the vicinity of...Ch. 19 - Sketch the equipotential lines in the vicinity of...Ch. 19 - Sketch the equipotential lines surrounding the two...Ch. 19 - (a) Sketch the electric field lines in the...Ch. 19 - The naturally occurring charge on the ground on a...Ch. 19 - The lesser electric ray (Narcine bancroftii)...Ch. 19 - What charge is stored in a 180 F capacitor when...Ch. 19 - Find the charge stored when 5.50 V is applied to...Ch. 19 - What charge is stored in the capacitor in Example...Ch. 19 - Calculate the voltage applied to a 2.00 F...Ch. 19 - What voltage must be applied to an 8.00 nF...Ch. 19 - What capacitance is needed to store 3.00 C of...Ch. 19 - What is the capacitance of a large Van de Graaff...Ch. 19 - Find the capacitance of a parallel plate capacitor...Ch. 19 - (a) What is the capacitance of a parallel plate...Ch. 19 - Integrated Concepts A prankster applies 450 V to...Ch. 19 - Unreasonable Results (a) A certain parallel plate...Ch. 19 - Find the total capacitance of the combination of...Ch. 19 - Suppose you want a capacitor bank with a total...Ch. 19 - What total capacitances can you make by connecting...Ch. 19 - Find the total capacitance of the combination of...Ch. 19 - Find the total capacitance of the combination of...Ch. 19 - Unreasonable Results (a) An 8.00 F capacitor is...Ch. 19 - (a) What is the energy stored in the 10.0 F...Ch. 19 - In open heart surgery. a much smaller amount of...Ch. 19 - A 165 F capacitor is used in conjunction with a...Ch. 19 - Suppose you have a 9.00 V battery, a 2.00 F...Ch. 19 - A nervous physicist worries that the two metal...Ch. 19 - Show that for a given dielectric material the...Ch. 19 - Construct Your Own Problem Consider a heart...Ch. 19 - Unreasonable Results (a) On a particular day, it...
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