The magnetic field of an electromagnetic wave in a vacuum is B, = ( 3.0 µT ) sin ( 1.1×107 a – 2nft), where a is in m and t is in s. Part A What is the wave's wavelength? Express your answer using two significant figures. a ΑΣφ m Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B What is the wave's frequency? Express your answer using two significant figures. f = Hz Submit Request Answer Part C What is the wave's electric field amplitude? Express your answer using two significant figures. ? E = V/m Submit Request Answer

The magnetic field of an electromagnetic wave in a vacuum is B, = ( 3.0 µT ) sin ( 1.1×107 a – 2nft), where a is in m and t is in s. Part A What is the wave's wavelength? Express your answer using two significant figures. a ΑΣφ m Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B What is the wave's frequency? Express your answer using two significant figures. f = Hz Submit Request Answer Part C What is the wave's electric field amplitude? Express your answer using two significant figures. ? E = V/m Submit Request Answer

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

Figure B y < 3 of 4 Part C The magnetic field vector and the direction of propagation of an electromagnetic wave are illustrated. (Figure 3) Based on this information, in what direction does the electric field vector point? ► View Available Hint(s) O O O O O O +X -X +y -Y +Z -Z at a +45° angle in the xz plane Submit
1
Item 5 Figure E 1 of 4 Part A O The electric and magnetic field vectors at a specific point in space and time of an electromagnetic wave are illustrated in (Figure 1). Based on this information, in what direction does the electromagnetic wave propagate? ► View Available Hint(s) O O O O +X O -X OO +y O -y Submit +Z Part B -Z at a +45° angle in the xy plane The electric and magnetic field vectors at a specific point in space and time are illustrated. (Figure 2) (Ē and B are in the xy plane. Both vectors make 45° angles with the + y axis.) Based on this information, in what direction does the electromagnetic wave propagate? +X -X +y -Y +Z -Z at a -45° angle in the xy plane Submit 5 of 15 Part C Review Request Answer
QUESTION 11 The electric field in an electromagnetic wave propagating in a vacuum has a peak value of 3,000 N/C and a wavelength of 500 nm. Which of the following is the correct expression for the magnetic field? a. B = 12µTcos[(1.05 x 107 m-1)x – (3.14 x 1014 rad/s)t] O b. B = 10µTcos[(1.26 x 107 m-1)x – (3.77 x 1015 rad/s)t] Oc. B = 20µTcos[(1.10 x 106 m-1)x – (1.57 x 1015 rad/s)t] %3| O d. B = 20µTcos[(1.05 x 107 m-1)x – (3.14 x 1015 rad/s)t] O e. B = 10µTcos[(600 nm)x – (3.14 x 1015 rad/s)t] е. %3D
The speed of light in vacuum is defined to be c = 299,792,458 m/s = The permeability constant of vacuum is defined to be μ = 4 x 10-7 N. s²/C². Use these μ0²0 definitions to calculate the value of the permittivity of free space, to at least eight significant figures. (Enter your answer in c²/(N - m²).) HINT c²/(N - m²)
An electric current I = 0.65 A is flowing in a long wire. Consider a rectangular area with one side parallel to the wire and at a distance c = 0.026 m away from the wire. Let the dimensions of the rectangle be a = 0.018 m and b = 0.085 m. Express the magnitude of the magnetic field generated by the wire B at a distance r in terms of I and r.
The electric field of a sinusoidal electromagnetic wave obeys the equation E= = −(375V/m) sin[(5.97 × 10¹5 rad/s)t + (1.99 × 107rad/m)x]. What is the amplitude of the electric field of this wave? ΤΙ ΑΣΦ E = Submit Request Answer Part B What is the amplitude of the magnetic field of this wave? 15. ΑΣΦ ? B = Submit Request Answer Part C What is the frequency of the wave? V/m μT ■
Need answers explained
The magnetic field of an electromagnetic wave in a vacuum is B₂ = (3.8 „T) sin((9.00 × 10)æ — wt), where x is in m and t is in s. For help with math skills, you may want to review: Rearrangement of Equations Involving Multiplication and Division Part A What is the wave's wavelength? Express your answer with the appropriate units. ► View Available Hint(s) λ = Submit Part B Complete previous part(s) Part C Value Eo = What is the wave's electric field amplitude? Express your answer with the appropriate units. ► View Available Hint(s) Submit Units Value Units
At one instant, the electric and magnetic fields at one point of an electromagnetic wave are E = (230i +350 - 60k) V/m and B = (7.11 7.5j + ak)Bo. Sy = 190 Submit Part E m² Previous Answers Correct Find the z-component of the Poynting vector. Express your answer to two significant figures and include the appropriate units. ► View Available Hint(s) Submit μA S₂ = -230 W m² Previous Answers Request Answer ? X Incorrect; Try Again; 4 attempts remaining
Image shows equation of electric field of an electromagnetic wave in a vacuum. Part a) What would be the wavelength of the wave? Part b) What would be the magnetic field of the wave? Please show ALL work and make it detailed and neat. Ē <(45.0 V/m)sin kx )t & -(8.00x10° rad/s
A sinusoidal electromagnetic wave is propagating in a vacuum in the +z-direction. Part A If at a particular instant and at a certain point in space the electric field is in the +x-direction and has a magnitude of 4.70 V/m, what is the magnitude of the magnetic field of the wave at this same point in space and instant in time? Express your answer in teslas. B = Π| ΑΣΦ ? T