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S09 - Exam 1(1)

S09 - Exam 1(1) - MC 11 12 Raw Score Final Percentage...

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Unformatted text preview: MC __________ 11 __________ 12 __________ Raw Score __________ Final Percentage __________% MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Write your answer at the right. (2 points each) Figure 21.2b 1) Two point charges, Q 1 =- 2.0 μC and Q 2 = + 2.0 μC, are placed as shown. In Fig. 21.2b, the x- component of the electric field, at the origin O , is closest to: A) 1400 N/C B) 2500 N/C C)- 1400 N/C D) 1000 N/C E)- 2500 N/C 1) Figure 21.6 2) A point charge Q of mass 8.50 g hangs from the horizontal ceiling by a light 25.0- cm thread. When a horizontal electric field of magnitude 1750 N/C is turned on, the charge hangs away from the vertical as shown in Fig. 21.6, making an angle of 30 degrees with the vertical. The magnitude of Q is closest to: A) 55.0 μC B) 47.6 μC C) 18 μC D) 27.5 μC E) 23.8 μC 2) A-1 Figure 22.4 A hollow conducting sphere has radii of 0.80 m and 1.20 m. The sphere carries a charge of - 500 nc. A point charge of + 300 nC is present at the center....
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S09 - Exam 1(1) - MC 11 12 Raw Score Final Percentage...

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