An electromagnetic wave with a peak magnetic field component of magnitude B = 1.5 x 10-7 T has an associated peak electric field component (E) of O 0.5 x 1015 N/c 22 N/C 2.0 x 105 N/C O 45 N/C
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- The rms electric field of an electromagnetic wave increases from 262 to 786 N/C. (a) Determine the wave intensities for the two values of the electric field. (b) What is the rms magnetic field associated with each electric field? (c) Determine the wave intensity for each value of the magnetic field. (a) S1 i 52- i (b) B₁ = i B₂ = i (c) S3= i S4= i >A stationary particle of charge q = 2.9 × 10-8 C is placed in a laser beam (an electromagnetic wave) whose intensity is 2.2 x 10³ W/m². Determine the maximum magnitude of the (a) electric and (b) magnetic forces exerted on the charge. If the charge is moving at a speed of 3.7 x 104 m/s perpendicular to the magnetic field of the electromagnetic wave, find the maximum magnitudes of the (c) electric and (d) magnetic forces exerted on the particle. (a) F = i (b) F = i (c) F = i (d) F = >The magnetic component of an electromagnetic wave in vacuum has an amplitude of 95.0 nT and an angular wave number of 2.49 m-1. What are (a) the frequency of the wave, (b) the rms value of the electric component, and (c) the intensity of the light?
- An electromagnetic wave in air is propagating in the +z direction; its peak E- is aligned with the x-axis and given by E0 = (1000,0,0) V m-1. The corresponding vector H0 for the magnetic field ( in Amps m-1) is : a) (2.65,0,0) b) (0,-2.65,0) c) (2.65, -2.65 ,0) d) (0,0,2.65)A stationary particle of charge q = 2.0 × 10-8 C is placed in a laser beam (an electromagnetic wave) whose intensity is 3.0 × 103 W/m2. Determine the maximum magnitude of the (a) electric and (b) magnetic forces exerted on the charge. If the charge is moving at a speed of 3.7 × 104 m/s perpendicular to the magnetic field of the electromagnetic wave, find the maximum magnitudes of the (c) electric and (d) magnetic forces exerted on the particle.An industrial laser is used to burn a hole through a piece of metal. The average intensity of the light is 5 = 1.95 x 10⁹ W/m². What is the rms value of (a) the electric field and (b) the magnetic field in the electromagnetic wave emitted by the laser? (a) Number (b) Number i 2.23E6 i 4.06 Units nm + Units T +
- What is the maximum value of the electric field in an electromagnetic wave whose maximum intensity is 7.55 W>m2?What is the wavelength of an electromagnetic radiation with frequency of 5 × 1015 Hz? [speed of light: c = 3 × 108 m/s] 6000 nm 166 nm ○ 15 nm ○ 16.6 nm ○ 1660 nm ○ 600 nm ○ 1500 nm 60 nm ○ 150 nmThe magnetic field component of a plane electromagnetic wave obeys the following expression. Determine the direction of the electric field component of the wave at t=0, y=0. negative y Onegative x O negative z Opositive z the xy plane Opositive x positive y B = Bo cos(ky+wt)i
- A plane electromagnetic wave is traveling in a vacuum. The magnetic field is directed along the z-axis and given by: B, = 3.0µT sin ((1.0 × 107 )x - (3.0 × 1015 )t ) a) Determine the wavelength , of the wave. b) What is the frequency, f, of the wave in Hertz? c) Determine the maximum strength of the B-field. d) Determine the maximum strength of the E-field and it direction. e) Can you find a time and place when the B-field is zero? f) What is the strength of the E-field when the B-filed is zero?A sinusoidal electromagnetic wave emitted by a cellular phone has a wavelength of 35.9 cm and an electric-field amplitude of 5.60×10−2 V/m at a distance of 350 m from the antenna. Calculate the frequency of the wave. f=?Hz Calculate the magnetic-field amplitude.Bmax=?T Find the intensity of the wave.I=?W/m^2