F08 - Final(1)

# F08 - Final(1) - MC Raw Score Final Percentage MULTIPLE...

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MC ______________ 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. Partial credit will be given for work that is shown clearly. (2 points each) Figure 22.4 1) 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. The charge on the outer spherical surface, in nC, is closest to: A) zero B) - 800 C) - 300 D) - 200 E) - 500 1) A-1

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2) Two conductors are joined by a long copper wire. Thus A) no free charge can be present on either conductor. B) each carries the same free charge. C) each conductor must be at the same potential. D) the electric field at the surface of each conductor is the same. E) the potential on the wire is the average of the potential of each conductor. 2) 3) The four identical capacitors in the circuit shown above are initially uncharged. The switch is thrown first to position A and then to position B . After this is done: A) V 1 = V 0 B) Q 1 = Q 2 C) V 1 + V 2 + V 3 + V 4 = V 0 D) Q 1 = 3 Q 2 E) V 1 = V 2 = V 3 = V 4 3) A-2
4) Initially, for the circuit shown, the switch S is open and the capacitor is uncharged.The switch S is closed at time t = 0. When the time t is equal to 8.0 s, the charge on the capacitor, in μC, is closest to: A) 510 B) 430 C) 680 D) 600 E) 340 4) 5) Ions having equal charges but masses of M and 2 M are accelerated through the same potential difference and then enter a uniform magnetic field perpendicular to their path. If the heavier ions follow a circular arc of radius R , the radius of the arc followed by the lighter ions will be: A) 4 R B) R /2 C) 3 R D) 2 R E) R / 2 5) A-3

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6) As shown above, a long bar slides on two contact points and is in motion with velocity ν . A steady, uniform, magnetic field B is present. The induced current through the resistor R is: A) zero B) from a to b C) from b to a 6) 7) At the resonance frequency in an L - R - C series circuit, which one of the following statements is accurate? A) The reactance of the capacitor is zero. B) The reactance due to the inductor and capacitor has its maximum value. C) The reactance of the inductor is zero. D) The current amplitude is a maximum. E) The impedance has its maximum value. 7) A-4
- water interface at an angle of 48° with the normal. The refracted ray, in water, makes a 56° angle with the normal. The index of refraction of water is 1.33.The angle of incidence of a different ray in the glass is 11°. The new angle of refraction in the water is closest to: A) 18° B) 14° C) 12° D) 16° E) 10° 8) 9) In the figure above, L 1 is a thin divirging lens having a focal length of magnitude 35.0 cm, and L 2 is a thin converging lens with focal length of magnitude 40.0 cm. The location of the final image produced by this combination of lenses, relative to L 2 , is closest to: A) 42.4 cm to the left of

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## This note was uploaded on 09/05/2011 for the course PHYS 116b taught by Professor Haglund during the Spring '07 term at Vanderbilt.

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F08 - Final(1) - MC Raw Score Final Percentage MULTIPLE...

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