College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Chapter 17.6, Problem 17.7QQ
To determine
The nichrome heater wire which produce more heat.
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Sketch the harmonic on graphing paper.
Exercise 1:
(a) Using the explicit formulae derived in the lectures for the (2j+1) × (2j + 1) repre-
sentation matrices Dm'm, (J/h), derive the 3 × 3 matrices corresponding to the case
j = 1.
(b) Verify that they satisfy the so(3) Lie algebra commutation relation:
[D(Î₁/ħ), D(Î₂/h)]m'm₁ = iƊm'm² (Ĵ3/h).
(c) Prove the identity
3
Dm'm,(β) = Σ (D(Ρ)D(Ρ))m'¡m; ·
i=1
Sketch the harmonic.
Chapter 17 Solutions
College Physics
Ch. 17.1 - Consider positive and negative charges all moving...Ch. 17.2 - Suppose a current-carrying wire has a...Ch. 17.3 - Look at the four circuits shown in Figure 17.6 and...Ch. 17.4 - Prob. 17.4QQCh. 17.4 - All electric devices are required to have...Ch. 17.4 - Suppose an electrical wire is replaced with one...Ch. 17.6 - Prob. 17.7QQCh. 17.6 - For the two resistors shown in Figure 17.12, rank...Ch. 17.6 - Two resistors, A and B, are connected in a series...Ch. 17.6 - The diameter of wire A is greater than the...
Ch. 17 - We have seen that an electric field must exist...Ch. 17 - A 12-V battery is connected across a device with...Ch. 17 - Prob. 3CQCh. 17 - In an analogy between traffic flow and electrical...Ch. 17 - Two copper wires A and B have the same length and...Ch. 17 - Two lightbulbs are each connected to a voltage of...Ch. 17 - Newspaper articles often have statements such as...Ch. 17 - There is an old admonition given to experimenters...Ch. 17 - What could happen to the drift velocity of the...Ch. 17 - Power P0 = I0 V0 is delivered to a resistor of...Ch. 17 - When is more power delivered to a lightbulb,...Ch. 17 - Prob. 1PCh. 17 - A copper wire has a circular cross section with a...Ch. 17 - In the Bohr model of the hydrogen atom, an...Ch. 17 - A typical lightning bolt may last for 0.200 s and...Ch. 17 - Prob. 5PCh. 17 - Prob. 6PCh. 17 - A 2.0 102-km-long high-voltage transmission line...Ch. 17 - An aluminum wire having a cross-sectional area of...Ch. 17 - An iron wire has a cross-sectional area of 5.00 ...Ch. 17 - Prob. 10PCh. 17 - Prob. 11PCh. 17 - Germanium is a semiconducting metal with a...Ch. 17 - Prob. 13PCh. 17 - Prob. 14PCh. 17 - Nichrome wire of cross-sectional radius 0.791 mm...Ch. 17 - Prob. 16PCh. 17 - A potential difference of 12 V is found to produce...Ch. 17 - The current supplied by a battery in a portable...Ch. 17 - A wire 50.0 m long and 2.00 mm in diameter is...Ch. 17 - Prob. 20PCh. 17 - Prob. 21PCh. 17 - The human body can exhibit a wide range of...Ch. 17 - Starting from Ohms law, show that E = J, where E...Ch. 17 - Prob. 24PCh. 17 - Prob. 25PCh. 17 - Prob. 26PCh. 17 - Prob. 27PCh. 17 - At what temperature will aluminum have a...Ch. 17 - At 20.0C, the carbon resistor in an electric...Ch. 17 - Prob. 30PCh. 17 - Prob. 31PCh. 17 - An engineer needs a resistor with a zero overall...Ch. 17 - In one form of plethysmograph (a device for...Ch. 17 - Prob. 34PCh. 17 - A 5.00-V power supply provides a maximum current...Ch. 17 - If electrical energy costs 0.12 per kilowatt-hour,...Ch. 17 - Residential building codes typically require the...Ch. 17 - A portable coffee heater supplies a potential...Ch. 17 - The heating element of a coffeemaker operates at...Ch. 17 - A typical cell phone consumes an average of about...Ch. 17 - Lightbulb A is marked 25.0 W 120. V, and lightbulb...Ch. 17 - Prob. 42PCh. 17 - A copper cable is designed to carry a current of...Ch. 17 - Batteries are rated in terms of ampere-hours (A ...Ch. 17 - The potential difference across a resting neuron...Ch. 17 - The cost of electricity varies widely throughout...Ch. 17 - An electric utility company supplies a customers...Ch. 17 - An office worker uses an immersion heater to warm...Ch. 17 - Two wires A and B made of the same material and...Ch. 17 - Prob. 50PCh. 17 - If a battery is rated at 60.0 A h, how much total...Ch. 17 - A car owner forgets to turn off the headlights of...Ch. 17 - Prob. 53APCh. 17 - A given copper wire has a resistance of 5.00 at...Ch. 17 - Prob. 55APCh. 17 - Birds resting on high-voltage power lines are a...Ch. 17 - Prob. 58APCh. 17 - You are cooking breakfast for yourself and a...Ch. 17 - The current in a conductor varies in time as shown...Ch. 17 - A 120.-V motor has mechanical power output of 2.50...Ch. 17 - Prob. 62APCh. 17 - A length of metal wire has a radius of 5.00 103 m...Ch. 17 - In a certain stereo system, each speaker has a...Ch. 17 - A resistor is constructed by forming a material of...Ch. 17 - When a straight wire is heated, its resistance...Ch. 17 - An x-ray tube used for cancer therapy operates at...Ch. 17 - A man wishes to vacuum his car with a canister...
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- Can someone help me answer this physics 2 questions. Thank you.arrow_forwardFour capacitors are connected as shown in the figure below. (Let C = 12.0 μF.) a C 3.00 με Hh. 6.00 με 20.0 με HE (a) Find the equivalent capacitance between points a and b. 5.92 HF (b) Calculate the charge on each capacitor, taking AV ab = 16.0 V. 20.0 uF capacitor 94.7 6.00 uF capacitor 67.6 32.14 3.00 µF capacitor capacitor C ☑ με με The 3 µF and 12.0 uF capacitors are in series and that combination is in parallel with the 6 μF capacitor. What quantity is the same for capacitors in parallel? μC 32.14 ☑ You are correct that the charge on this capacitor will be the same as the charge on the 3 μF capacitor. μCarrow_forwardIn the pivot assignment, we observed waves moving on a string stretched by hanging weights. We noticed that certain frequencies produced standing waves. One such situation is shown below: 0 ст Direct Measurement ©2015 Peter Bohacek I. 20 0 cm 10 20 30 40 50 60 70 80 90 100 Which Harmonic is this? Do NOT include units! What is the wavelength of this wave in cm with only no decimal places? If the speed of this wave is 2500 cm/s, what is the frequency of this harmonic (in Hz, with NO decimal places)?arrow_forward
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