Question

1. Figure G: The ideal battery has an emf of 14 V. What is the current (A) in R a) 0.200 D0.250 b) 1.00 g) 0.100 c)0.500 h)0.235 2. Figure C shows, in cross section, a spherical conducting shell that surrounds a particle of charge -2e. The shell d) 0.667 i) 1.23 e) 0.750 has a net charge of -6e. What is the magnitude (N/C) of the electric field at point P, at distance2.00 m from the j)0.820 center of the shell (P is outside the shell)? a) 1.29 E-9 f) 6.38 E-10 b) 2.08 E-7 g) 9.51 E-10 c) 3.01 E-8 h) 5.14 E-9 d) 3.60 E-10 i) 1.18 E-8 e) 2.58 E-9 )5.05 E-8 3. Figure A shows two charged particles (q-+3e and q: +2e) fixed in place and separated by distance D-3.00 m. At what x coordinate (m) is the net electric field zero? a) 1.39 f) -2.05 b) 0.35 c) 0.49 h) -3.96 d) 3.55 i) 7.10 g) 1.65 e) 4.20 j)-0.54 4. Figure J shows two infinitely long wires that carry currents directly out of the page, as indicated. -4.00 A and d = 2.00 m. iz=9.00 A and d;- 6.00 m. What is the magnitude of the net magnetic field (T) at the origin? a) 7.00 E-7 b) 10.0 E-7 g) 3.00 E-7 c) 8.00 E-7 h) 1.00 E-7 f) 4.00 E-7 e) 6.00 E-7 j) 5.00 E-7 d) 2.00 E-7 i) 9.00 E-7 3. Figure P shows a thin film (in the middle) with different materials on either side. We send in a ray of light that t perpendicular to the two parallel surfaces In air, that light has a wavelength of 400 nm. For some values o mickness L, the reflections to the left undergo fully destructive interference. What is the second smallest value of L that gives that result? Answer in nanometers. a) 800 ) 500 d) 150 i) 600 e) 50 b) 300 g) 700 c) 200 h) 400 j) 1200 6. Figure D shows a Gaussian surface in an electric field given by E = 5.0xi + 20j + 14k. What is the charge (C) enclosed by the surface? a) 2.67 E-9 ) 1.59 E-9 e) 1.33 E-9 ) 7.54 E-10 d) 6.64 E-10 i) 8.08 E-10 c) 5.77 E-9 h) 7.81 E-10 b) 2.03 E-10 g) 2.39 E-9 7. Figure B shows three charged particles. What is the magnitude (N) of the net force on the particle at the origin c) 1.20 E-27 d) 5.98 E-28 h) 1.22 E-29 i) 2.53 E-28 which has charge g; = +2e? b) 3.34 E-29 g) 7.13 E-28 e) 3.09 E-29 j) 5.55 E-28 a) 2.81 E-28 ) 5.31 E-28 8. Figure E shows a square array of six charged particles. The charges of the four corner particles and one side particle are indicated. The charge of the other side particle is Q= -6e. What is the net electric potential (V) at the center point? (Thinking before key stroking is always best.) a) 7.91 E-6 f) -6.47 E-7 e) -8.33 E-7 j) 8.99 E-7 d) 2.16 E-7 i)-1.72 E-6 c) 6.93 E-6 h) -1.44 E-7 b) 1.01 E-6 g) 5.70 E-7 A resistor on the left side of the 9. Figure H shows a circuit with three ideal batteries. What is the current in the 6 circuit? (Caution: note the battery orientations.) a) 2.04 ) 3.33 e) 2.33 j) 2.75 d) 0.833 i) 5.18 c) 12.0 h) 4.72 b) 1.67 g) 9.72 10. Figure I shows a solid metal object moving v= 4.00 m/s through a uniform magnetic field of B= 0.0200 T. d) 6.00 i) 0.230 What is the magnitude of the potential difference (mV) set up across the object? c) 17.9 e) 6.40 j) 7.23 b) 2.40 g) 3.33 a) 7.00 1.50 h) 8.50

Answer 1

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