A square loop of wire with a small resistance is moved with constant speed from a field free region into a region of uniform B field (B is constant in time) and then back into a field free region to the left. The self inductance of loop is negligible. QUESTION: A) When leaving the field the coil experiences a magnetic force to the left. B) While the loop is entirely in the field, the emf in the loop is zero. C) When entering the field the coil experiences a magnetic force to the right. D) Upon leaving the field, a clockwise current flows in the loop. E) Upon entering the field, a clockwise current flows in the loop.

## A square loop of wire with a small resistance is moved with constant speed from a field free region into a region of uniform B field (B is constant in time) and then back into a field free region to the left. The self inductance of loop is negligible. QUESTION: A) When leaving the field the coil experiences a magnetic force to the left. B) While the loop is entirely in the field, the emf in the loop is zero. C) When entering the field the coil experiences a magnetic force to the right. D) Upon leaving the field, a clockwise current flows in the loop. E) Upon entering the field, a clockwise current flows in the loop.

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Faraday’s Law of Induction 1a. Problem 28.9 b. Problem 28.39 2. Problem 28.43 3. Problem 28.71 Inductance 4a. Problem 28.56 b. Estimate the magnetic energy stored in the first kilometer of atmosphere above Milwaukee. Compare your answer to the energy stored in a 15-gallon gas tank. ugasoline=120 M J/gal 5. Problem 28.65 Feel free to sketch by hand, rather than using a “spreadsheet program.” 6a. Problem 29.83 (From the next chapter!) b. If the power delivered to the residents is 20kW, how much current flows on either side of the transformer? c. The 2000-volt distribution lines have a total resistance of 3Ω, how much power is lost as thermal dissipation? How much would be lost if those same lines operated at 240V? Hint: Use your answers from part b to calculate the powers in part c… EC1: Problem 28.53 EC2: Problem 28.80

## Faraday’s Law of Induction 1a. Problem 28.9 b. Problem 28.39 2. Problem 28.43 3. Problem 28.71 Inductance 4a. Problem 28.56 b. Estimate the magnetic energy stored in the first kilometer of atmosphere above Milwaukee. Compare your answer to the energy stored in a 15-gallon gas tank. ugasoline=120 M J/gal 5. Problem 28.65 Feel free to sketch by hand, rather than using a “spreadsheet program.” 6a. Problem 29.83 (From the next chapter!) b. If the power delivered to the residents is 20kW, how much current flows on either side of the transformer? c. The 2000-volt distribution lines have a total resistance of 3Ω, how much power is lost as thermal dissipation? How much would be lost if those same lines operated at 240V? Hint: Use your answers from part b to calculate the powers in part c… EC1: Problem 28.53 EC2: Problem 28.80

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Water at 20c in the pressurized tank. flows out and creates a vertical jet. Assuming steady frictionless flow, determine the height H to which the jet rises.

## Water at 20c in the pressurized tank. flows out and creates a vertical jet. Assuming steady frictionless flow, determine the height H to which the jet rises.

The inductor in problem 5 is connected in series to a 0.5 W and a battery whose emf is 24 V. What current flows in this circuit 0.1 seconds after the switch is closed?

## The inductor in problem 5 is connected in series to a 0.5 W and a battery whose emf is 24 V. What current flows in this circuit 0.1 seconds after the switch is closed?

A 50 V battery is connected across a 10 ohm resistor and a current of 4 A flows. The internet resistance of the battery is ; A) Zero, B) 0.5 ohm, C) 1.1 ohm, D) 2.5 ohm, E) 5ohm

## A 50 V battery is connected across a 10 ohm resistor and a current of 4 A flows. The internet resistance of the battery is ; A) Zero, B) 0.5 ohm, C) 1.1 ohm, D) 2.5 ohm, E) 5ohm

Author Name: BIO 218 Natural History Paper General Formatting: (10%) • 1 Margins correct? • 1 Font correct? • 2 Double-spaced? • 2 Pages numbered? • 2 All sections included? • 2 At least 3 pages of text, not more than 5 pages? Project elements (50%) • Introduction: o 8 General background on topic and species (state scientific name!)? o 2 Goes from general to specific? • Review of Journal Articles: o 4 States topic and hypothesis/hypotheses described in articles? o 3 Reports how research was conducted? o 2 Describes specialized materials used? o 2 Discusses type(s) of data collected and how to be analyzed/compared/used? o 3 Reports what happened in the experiments? o 2 If comparisons made, discusses how they were made? o 2 Figure(s) reproduced and cited? o 2 Table(s) reproduced and cited? • Summary/Conclusion: o 10 Synthesizes the results of the experiments and ties the findings of the articles together? • Literature Cited: o 4 At least 3 journal articles (primary literature) used? o 2 References used in paper properly? o 2 References all listed in this section and formatted correctly? o 2 All references listed are in the body of the paper and all references in the body are listed in this section? *0.5% for each extra citation (>3) that is correctly used* Writing Elements (40%) • /15 Grammar or spelling errors? • /15 Writing is clear and flows logically throughout paper? • /10 Appropriate content in each section? Final Paper Total ( %) = /40 Comments:

## Author Name: BIO 218 Natural History Paper General Formatting: (10%) • 1 Margins correct? • 1 Font correct? • 2 Double-spaced? • 2 Pages numbered? • 2 All sections included? • 2 At least 3 pages of text, not more than 5 pages? Project elements (50%) • Introduction: o 8 General background on topic and species (state scientific name!)? o 2 Goes from general to specific? • Review of Journal Articles: o 4 States topic and hypothesis/hypotheses described in articles? o 3 Reports how research was conducted? o 2 Describes specialized materials used? o 2 Discusses type(s) of data collected and how to be analyzed/compared/used? o 3 Reports what happened in the experiments? o 2 If comparisons made, discusses how they were made? o 2 Figure(s) reproduced and cited? o 2 Table(s) reproduced and cited? • Summary/Conclusion: o 10 Synthesizes the results of the experiments and ties the findings of the articles together? • Literature Cited: o 4 At least 3 journal articles (primary literature) used? o 2 References used in paper properly? o 2 References all listed in this section and formatted correctly? o 2 All references listed are in the body of the paper and all references in the body are listed in this section? *0.5% for each extra citation (>3) that is correctly used* Writing Elements (40%) • /15 Grammar or spelling errors? • /15 Writing is clear and flows logically throughout paper? • /10 Appropriate content in each section? Final Paper Total ( %) = /40 Comments:

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1) Humid air at 32 #176;C , 760 mmHg and 80 % relative humidity is fed to a cooling chamber at constant pressure to condense some of the water vapor out of the humid air. The exit air leaves at 4 #176;C, 760 mm Hg and 100% relative humidity. If the lquid condensate flows at a rate of 4 kg/h. Calculate the feed rate of humid air in SCMH? Vapor pressures of water at 32 #176;C and 4 #176;C are 35.7 mm Hg and 6.1 mm Hg respectively. Treat air as a mixture of two components: dry air and water vapor.