4. The value of the line integral of the B field around the closed path in the figure is 5.030 x 106 Tm. What is I3? A) 1.00 A I, = 4.0 A B) 4.00 A C) 2.00 A 1 = 6.0 A ® I3 D) 6.00 A E) 3.00 A 5. Unpolarized light of intensity Io is incident on a stack of three polarizing filters. The axis of the first filter is vertical, that of the second is 30° from the vertical, and that of the third is 60° from the vertical (i.e. rotated by another 30° angle relative to the axis of the second filter). The intensity of the transmitted light is? A) Io/2 B) 91o/32 C) 91o/16 D) 1510/8 E) 1810/8

4. The value of the line integral of the B field around the closed path in the figure is 5.030 x 106 Tm. What is I3? A) 1.00 A I, = 4.0 A B) 4.00 A C) 2.00 A 1 = 6.0 A ® I3 D) 6.00 A E) 3.00 A 5. Unpolarized light of intensity Io is incident on a stack of three polarizing filters. The axis of the first filter is vertical, that of the second is 30° from the vertical, and that of the third is 60° from the vertical (i.e. rotated by another 30° angle relative to the axis of the second filter). The intensity of the transmitted light is? A) Io/2 B) 91o/32 C) 91o/16 D) 1510/8 E) 1810/8

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

A parallel - plate capacitor has circular plates with radius 50 cm and spacing 1.0 mm. A uniform electric field between the plates is changing at the rate 1.0 MV/m*s. What is the magnetic field between the plates. 1) on the symmetry axis 2) 15cm from axis 3) 150 cm from the axis.
7. Again, disregard the charge off to the right. This time, I1 = 7.59 A and I2 = 4.10 A; the separation between the wires is 3.18 cm. How far to the right of wire #1 will be total magnetic field due to both wires be equal to zero? 2.06 cm 1.44 cm 2.88 cm 3.91 cm
3. You are conducting a magnetic survey in Minnesota with a proton-precession magnetometer with a sensitivity of 1 nT. Make some simplifying assumptions (e.g. I=90°) and estimate how far away from the magnetic senor you need to be from a 2000-pound (=1 ton) car (on the surface) so that the magnetic signal is less than 1 nT? The magnetic moment for typical iron and steel objects is 100 Am/ton.
4
Q. Consider the configuration shown on the right, the inner cylindrical conductor of radius 'a' surrounded by a cylindrical shell of inner radius 'b' and outer radius 'c'. The inner conductor and the outer shell each carry equal and opposite currents I. Where I is uniformly distributed through the conductors. a I a) Find the magnetic field intensity for r< a and a
3. In the figure below, the radius of the capacitor plates is R = 18.0 cm, the peak emf of the voltage source is 220 V and it oscillates at w = 130 rad/s. The maximum value of the displacement current is 7.60 µA. a) What is the maximum value of dOE/dt, where DE is the electric flux through the region between the plates? b) What is the separation d between the plates? c) Find the maximum value of the magnitude of B between the plates at a distance r = 11.0 cm from the center. R v= Vo sinwt
Q2. The magnetic potential across a current carrying filament is measured as ⃗ A=x2 yax+y2xay−xyzaz. a. Magnetic flux density at (-1,2,5) b. Magnetic field intensity at free space c. Magnetic field intensity across the filament at relative permeability 4. d. Magnetic flux through the surface given by z=1,0≤x≤1,−1y≤4. e. Is it possible to measure magnetic scalar potential? Validate your answer with mathematical equations.
Suppose E fields and H fields are: E = E,ej(k.r-wt) H = Hoej(k.r-wt) Where k = kşax + kyāy + kzaz and r = xa,+yay+za; Show that V x E = - ƏB/dt can be expressed as K x E = µwH and deduce ak x aɛ = ан For the same fields: Show that Maxwell's equation in a source-free region can be written as k.E = 0 k.h=0 kxE = μωΗ kx H= - μωΗ -aE From these equations deduce ak × aɛ = aH and ak × aH = -
E-nduced. Which of the following statements are TRUE regarding induced electric fields? I. In any closed path, the work done by an induced electric field in moving a charge is zero. II. An electric potential can be derived from induced electric field. III. Induced electric field is produced only when magnetic flux is varying in time. O A. I only OB. II only OC. Ill only O D. All of the above 18
3. a) Define electric displacement vector D and deduce Gauss's law for dielectrics. b) A dielectric of dielectric constant 5.0 is filled in the gap between the plates of a capacitor. Calculate the factor by which the capacitance is increased, if the dielectric is only sufficient to fill up 1/5 of the gap. c) A 1.0 m length of current-carrying wire kept perpendicular to a magnetic field of magnitude 400 mT experiences a force of 3.0 mN. Determine the current flowing i the wire.
The induced magnetic field at radial distance 5.8 mm from the central axis of a circular parallel-plate capacitor is 1.8 × 10-8 T. The plates have radius 4.0 mm. At what rate is the magnitude of the electric field between the plates changing? Number i Units
3. Sheet of current: Consider an infinitesimal wire of width dr at position x, magnetic field for this sheet of current at point P is : ног πα Then figure out the following limiting cases: B = • a