(11%) Problem 6: The electric field in an electromagnetic wave is in the y-direction and described by E, = Egcos(kx - wt), where Eo = 145 %3D %3D N/C. Randomized Variables Eo = 145 N/C A 25% Part (a) If the electromagnetic wave is traveling in the x-direction in vacuum, what is the direction of the magnetic field? Grade Oy direction. Ox direction. Oz direction. Deduc Potent Submi Attemp (50% 1 detaile Submit Hint Feedback I give up! Feedback: 0% deduction per feedback. Hints: 0 % deduction per hint. Hints remaining: A 25% Part (b) Express the amplitude of the magnetic field, Bo, in terms of E, and the speed of light c. A 25% Part (c) Find the intensity of the electromagnetic wave, I, in terms of Eg, c, and the permeability of free space uo- A 25% Part (d) Solve for the numerical value of I in watts per square meter. All content @ 2021 Expern TA, LLC

(11%) Problem 6: The electric field in an electromagnetic wave is in the y-direction and described by E, = Egcos(kx - wt), where Eo = 145 %3D %3D N/C. Randomized Variables Eo = 145 N/C A 25% Part (a) If the electromagnetic wave is traveling in the x-direction in vacuum, what is the direction of the magnetic field? Grade Oy direction. Ox direction. Oz direction. Deduc Potent Submi Attemp (50% 1 detaile Submit Hint Feedback I give up! Feedback: 0% deduction per feedback. Hints: 0 % deduction per hint. Hints remaining: A 25% Part (b) Express the amplitude of the magnetic field, Bo, in terms of E, and the speed of light c. A 25% Part (c) Find the intensity of the electromagnetic wave, I, in terms of Eg, c, and the permeability of free space uo- A 25% Part (d) Solve for the numerical value of I in watts per square meter. All content @ 2021 Expern TA, LLC