•52 In Fig. 30-62, 8 = 100 V, -10.0 Ω, R, R, R3 = 30.0 N, and L Immediately after switch S is closed, what are (a) i, and (b) iz? (Let currents in the indi- cated directions have positive values and currents in the op- posite directions have negative values.) A long time later, what are (c) i, and (d) iz? The switch is then reopened. Just then, what are (e) i, and (f) i? A long time later, what are (g) i, and (h) iz? 20.0 N, %3D %3D = 2.00 H. %3D R Rs L Fig. 30-62 Problem 52. ண

•52 In Fig. 30-62, 8 = 100 V, -10.0 Ω, R, R, R3 = 30.0 N, and L Immediately after switch S is closed, what are (a) i, and (b) iz? (Let currents in the indi- cated directions have positive values and currents in the op- posite directions have negative values.) A long time later, what are (c) i, and (d) iz? The switch is then reopened. Just then, what are (e) i, and (f) i? A long time later, what are (g) i, and (h) iz? 20.0 N, %3D %3D = 2.00 H. %3D R Rs L Fig. 30-62 Problem 52. ண

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter22: Magnetism

Section: Chapter Questions

Problem 84PE: Integrated Concepts One long straight wire is to be held directly above another by repulsion between...

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•29 In Fig. 27-40, R = 6.00 n, R2 = 18.0 0, and the ideal battery has emf & = 12.0 V. What are the (a) size and (b) direction (left or right) of current i? (c) How much energy is dissipated by all four resis- tors in 1.00 min? R1 %3! R. ww R2 R, ww
•63 SSM www In the circuit of Fig. 27-65, E = 1.2 kV, C = 6.5 µF, R = R2 = R3 = 0.73 Mn. With C completely uncharged, switch S is suddenly closed (at t = 0). At t = 0, what are (a) current iį in resistor 1, (b) current i, in resistor 2, and (c) current i; in resistor 3? At t = 0 (that is, after many time constants), what are (d) i, (e) iz, and (f) iz? What is the potential difference V2 across resistor 2 at (g) t = 0 and (h) t = 0? (i) Sketch V, versus t be- %3D R2 Figure 27-65 Problem 63. tween these two extreme times.
•5 In Fig. 30-36, a wire forms a closed circular loop, of radius R = 2.0 m and resistance 4.0 0. The circle is centered on a long straight wire; at time t = 0, the current in the long straight wire is 5.0 A rightward. Thereafter, the current changes according to i = 5.0 A - (2.0 A/s?)P. (The straight wire is insulated; so there is no electrical contact between it and the wire of the loop.) What is the magnitude of the current induced in the loop at times t> 0?
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39-40
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