(a What is an inductor? What does an inductor do in a D.C. circuit? (b) What does a wave do? What is the difference between a transverse and a longitudinal mechanical wave?
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- Help meDYour answer is partially correct. Try again. PRINTER VERSION 1 BACK NEXT Large radio telescopes, like the one in Arecibo, Puerto Rico, can detect extremely weak signals. Suppose one radio telescope is sensitive enough to detect a signal which lays down only 0.97 pW of power on an area of 4.0 x 1016 m2. (a) What would be the total power that would be recelved by the antenna, assuming that its diameter is 400 m? (b) What would be the power of a source at 30000 ly distance from Earth that could provide such a signal? A light-year is the distance light travels in one year. (a) Number [0.00000000000000000 Units (b) Number [24540000000000000 Units W the tolerance is +/-5%He-Ne (Helium-Neon) lasers are often used in physics demonstrations. Mine is labelled as about 5 mW and 650 nm. Let's approximate that the light is spread over a cylindrical beam about 1 mm in diameter. a. What's the intensity of the beam (approximately)? b. What are the maximum electric and magnetic field values? What are the average values? Explain briefly why those are different. c. What's the average energy density of the beam? d. What's the frequency of the EM wave?
- What are the properties of an EM wave? Be sure to answer the following questions: What is it made up of? How are the parts related to one another? What type of wave is it (transverse or longitudinal) and why? Does an EM wave require a medium? If so, then what medium is required for an EM wave? Then list the various types of EM waves in order of increasing frequency. Include a diagram of the EM wave that illustrates your answers and also include the direction of propagation (or the Poynting vector) for the EM wave in your diagram.Refer to the graph below. The graph represents the Iraadiance, in Wicm. ve distance, in mm, from the center of a high power laser beam operating e a.) mode. a) What is the beams DIAMETER in units of centimeters? b) What is the total power output, in Watts, of the laser? Irraidance versus Distance 4200 1000 800 Irraidance 600 (W/cm^2) 400 200 0.5 1.5 -1.5 -1 -0.5 -2 Distance from center of beam (mm)Unpolarized light with an intensity Io passes through a linear polarizer. It then passes through a second linear polarizer that is oriented at a 72.5 degree angle with it's axis of polarization. What is the final intensity of this beam? Need to finish! Show the algebraic form of the equation(s) that you apply and express your answer in terms of the initial intensity of the beam.
- Pick two of the four Maxwell’s Equations that we discussed in class. For each, (i.) Describe the equa- tion quantitatively. (ii.) Describe the equation qualitatively by including a description of each of the included terms. (iii.) Give a practical use for the equation [Think, “What could this help me to find?”]. Answer Bank Gauss’ Law for Electricity, Gauss’ Law for Magnetism, Faraday’s Law, Ampere-Maxwell LawA traveling electromagnetic wave in a vacuum has an rms electric field amplitude of 59.7 V/m. Calculate the intensity S of this wave. Also, s circular, parallel plate capacitor in a DC RC circuit is charging. What is the direction of the Poynting vector between the capacitor plates? A picture of this set up is shown below. Make sure to answer both parts of the questions and show all work.Hi! Please read everything first before answering. Read carefully as well because you might be confused.I asked this question already here in Bartleby but I have not received the exact answer The question is:Unpolarized light with intensity I₀ is incident on two polarizers as sketched in Figure B. Suppose the angle between the axes of the two polarizers is θ = 60°. What is the intensity of the transmitted light? EXPRESS YOUR ANSWER AS A FRACTION OF I₀. And I got the answer 0.125 I₀. The question says THE ANSWER SHOULD BE EXPRESSED AS A FRACTION OF I₀. The answer I got is decimal and i don't know how i will turn it to fraction. I am not sure if converting it to fraction is correct so I am seeking for your help. Please help me. What I just need is TO EXPRESS MY ANSWER AS A FRACTION OF I₀. Thank you!
- Given The electric field equation on a flat plane wave is as follows: ( can see the equation in image ) Calculate : D. Phase speedE. Direction of creepageF. Real-time Magnetic Field H⇁ (z,t) Please solve subparts A,B,C max in 30 minutes thank uSuppose your given the system below. A vertically polarized wave interacts with the polarizer, which has a transmission axis of 10 degrees (O1= 10 degrees). If the intensity of the wave before the polarizer is .867 W/m^2, what is the intensity of the wave after the polarizer?A person driving at v = 16 m/s crosses the line What is the longest possible wavelength of the radio waves? connecting two radio transmitters at right angles, as shown in the figure(Figure 1). The transmitters emit identical signals in phase with each other, which the driver receives on the car radio. When the car is at point Express your answer using two significant figures. A, the radio picks up a maximum net signal. Hνα ΑΣφ m Submit Request Answer • Part B Figure How long after the car passes point A does the radio experience wavelength has the value found in part A. minimum in the net signal? Assume that the Express your answer using two significant figures. V ΑΣφ ? t = 450 m -150 m Submit Request Answer
