•14 o In Fig. 30-42a, a uniform magnetic field B increases in magnitude with time t as given by Fig. 30-42b, where the vertical axis scale is set by B, = 9.0 mT and the horizontal scale is set by , = 3.0 s. A circular conducting loop of area 8.0 x 10-4 m² lies in the field, in the plane of the page. The amount of charge q passing point A on the loop is given in Fig. 30-42c as a function of t, with the vertical axis scale set by q, = 6.0 mC and the horizontal axis scale again set by t, = 3.0 s. What is the loop's resistance? B. 4. t (s) t (s) (a) (b) (c) B(mT) (ou) b

•14 o In Fig. 30-42a, a uniform magnetic field B increases in magnitude with time t as given by Fig. 30-42b, where the vertical axis scale is set by B, = 9.0 mT and the horizontal scale is set by , = 3.0 s. A circular conducting loop of area 8.0 x 10-4 m² lies in the field, in the plane of the page. The amount of charge q passing point A on the loop is given in Fig. 30-42c as a function of t, with the vertical axis scale set by q, = 6.0 mC and the horizontal axis scale again set by t, = 3.0 s. What is the loop's resistance? B. 4. t (s) t (s) (a) (b) (c) B(mT) (ou) b

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

At the equator, near the surface of Earth, the magnetic field is approximately 43.0 ?T northward and the electric field is about 110 N/C downward in fair weather. Find the gravitational, electric, and magnetic forces on an electron with instantaneous velocity of 6.00 106 m/s directed to the east in this environment. gravitational N electric N magnetic N
A long pair of wires serves to conduct 38 A of dc current to (and from) an instrument. If the wires are of negligible diameter but are 2.8 mm apart, what is the magnetic field 10 cm from their midpoint, in their plane (Fig. 28-31)? X T. What percentage of the magnetic field of the Earth is this? X % 10.0 cm 2.8 mm
•29 In Fig. 30-52, a metal rod is forced to move with constant veloc- T ity v along two parallel metal rails, i connected with a strip of metal at one end. A magnetic field of magni- tude B = 0.350 T points out of the page. (a) If the rails are separated by L = 25.0 cm and the speed of the rod is 55.0 cm/s, what emf is gener- ated? (b) If the rod has a resistance of 18.0 N and the rails and con- nector have negligible resistance, what is the current in the rod? (c) At what rate is energy being transferred to thermal energy? Figure 30-52 Problems 29 and 35.
A small particle with negative charge q = -12 x 10-3 is traveling between two large parallel plates that have charges of equal magnitude and opposite sign. The speed of the particle is 550 m/s. There is a uniform magnetic field in between the plates with magnitude of 5.0 T and its direction is out of the page. What are the magnitude and direction of the uniform electric field between the plates if the particle travels in between the plates without being deflected?
A positively charged particle travels in the positive x direction through a region of magnetic field in the negative y direction. In what direction is the resulting force? O negative x direction O negative z direction O positive y direction
←1.0m3 ↑ XXX xxx 1.0m xxx ↓ x is direction. of B 个 [.0m xxx xxx xxx V=4.0m/s X Consider the two scenarios (i) and (ii). (i) has a square wire in a magnetic field where the field changes -2.0 T/s. (ii) is in a constant magnetic field, B = 0.50 T but has a conducting bar that moves to the right at 4.0 m/s. Both scenarios have a total resistance of 2.0 2. (a) What is the EMF (voltage) in the wire loops in each scenario? (b) What is the current and direction of the current in each scenario?
A wire carries an I, = 7.05-A current along the x-axis, and another wire carries an I, = 5.35-A current along the y-axis, as shown in the figure below. What is the magnetic field at point P, located at x = 4.00 m, y = 3.00 m? magnitude HT direction Select--- y (4.00, 3.00) m
a) Show that for an infinite wire (L » a, L → ∞), the magnetic field obtained in part (a) simplifies to B 2 πα
= In the three separate arrangements (a), (b), and (c) shown below a current i 11 A is set up in a long conductor formed by bending a wire into a semicircle/circle of radius R = 25 cm. Find the magnetic field at points 1, 2, and 3? Use out of the page as the positive direction. (a) (b) (c) • — i The magnetic field at '1', B₁ = = The magnetic field at '2', B2 The magnetic field at '3', B3 = 2 Units HT Units HT Units uT 3.
Chapter 28, Problem 001 A proton traveling at 23.8° with respect to the direction of a magnetic field of strength 1.98 mT experiences a magnetic force of 9.59 × 10-¹7 N. Calculate (a) the proton's speed and (b) its kinetic energy in electron- volts. Chapter 28, Problem 009 In the figure, an electron accelerated from rest through potential difference V₁=1.06 kV enters the gap between two parallel plates having separation d = 24.5 mm and potential difference V₂= 99.1 V. The lower plate is at the lower potential. Neglect fringing and assume that the electron's velocity vector is perpendicular to the electric field vector between the plates. In unit-vector notation, what uniform magnetic field allows the electron to travel in a straight line in the gap? [₁}v₂
1) Consider a thin, straight wire of length L carrying a constant current I and placed along x axis as shown in figure. Determine the magnitude and direction of the magnetic field due to this current at point P located on the y-axis which has a distance a from the end of the wire. X