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Magnetism had been a known phenomenon for some time before its relation to electric currents were discovered. Which person below observed that a current in a wire produces a magnetic field during a class demonstration? Maxwell. Oersted. Ampere. Tesla.

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You are working as a technician in the radiology department of a large hospital. One of the radioactive isotopes that is used to treat cancer is 60Co. Although use of this isotope is decreasing due to the availability of electrons from linear accelerators

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the voltage across a parallel plates 2 mm apart is initially 6 V. A dielectric material with dielectric constant 4 is introduced into the capacitor. What is the electric field in the capacitor after the dielectric material is inserted?

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A consumer's utility is maximized when: the dollar amount spent on each good is the same. the marginal utility of each good purchased is the same. the price of each good is the same. None of the above are generally true.

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Which of the followings is responsible for anti-atherosclerosis effect? a. \(\beta\)-lipoprotien. b. \(\alpha\)-lipoprotien. c. LDL. d. Cholesterol.

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Early in the book, Jensen says, "As is true for most people I know, I've always loved learning. As is also true for most people I know, I've hated school. Why is that?" What's his answer? a. He disliked how teachers would insult students who gave wrong answers. b. He disliked doing work at school and then again at home, like he has two jobs. c. He disliked the subjects he was learning – algebra, chemistry, grammar, French. d. He disliked learning to kill time, to not question authority, and to wish away his life.

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The text appears to be free of spelling, typographical, grammatical, OCR, and mathematical errors.

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Question 2(a) (6 pts) Mark the zero force members in the truss shown below. H 800 N 30° G F E 3 m A B C D 3 m 3 m 3 m Question 2(b) (19 pts) a) Calculate the reactions at supports A and G for the truss shown below. (4 pts) b) Find the forces in members LK, LC, and BC of the truss by method of sections. (12 pts) c) State whether the members forces found in part b are in tension or compression. (3 pts) 30 kN 20 kN 15 kN 15 kN 10 kN 5 kN 5 kN L K J I H G A B C D E F 3@1 m = 3 m 6 panels @ X m Where X = Student ID/2,000,000 m

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A symmetric airfoil with 2m chord produces lift per unit span of 400 N/m at an airspeed of 20 m/s at sea-level ($\rho$ = 1.226kg/m$^3$). Calculate pressure difference across the airfoil at its quarter-chord.

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The corrected text is as follows: The equation for output (Yt) which does not depend on labor is: Yt = Kt * At^(1-θ) where 0 < θ < 1 and the level of capital (Kt) evolves over time according to the accumulation equation: Kt+1 = sYt - Kt where 0 < s < 1 and 0 < θ < 1. Let the number of workers in the economy (Lt) grow over time according to the equation: Lt+1 = (1+n)Lt where n > 0. Let the level of technology (A(t)) grow over time according to the equation: A(t+1) = gA(t) where g > n. 1.1. Using the equations above, derive the growth rate for output-per-worker on a balanced growth path. Would government policy be able to influence long-run growth in this economy? Show your working [25%]

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