A uniform plane wave of 200MHz incident on a thick copper plate delivers an amplitude of 1.0mV/m on the surface. a) How much power passes in a square meter on the surface?
Q: A laser pointer produces a beam of 532 nm wavelength light, 1.0 mm in diameter, with a total power…
A: The given data are listed below with appropriate variables. Here, λ denotes the wavelength, d…
Q: Channels above 1600 kHz are often reserved for very low range applications like local traffic or…
A: GivenThe resistance of our entire circuit is R = 1.5. ohmantenna voltage for the channel at 1610 kHz…
Q: A certain type of capacitor is designed to filter low-frequency signals, impeding their transmission…
A: a. the capacitive reactance can be expressed as
Q: E capacitance tu
A:
Q: A 1.12-µH inductor is connected in series with a variable capacitor in the tuning section of a…
A: Given that,Inductor (L)= 1.12 μHFrequency of transmitter broadcasting (f) = 6.15 MHzHere,We need to…
Q: In a particular city, electrical energy costs $0.13 per kilowatt-hour. (Round your answers, in…
A:
Q: A radio broadcast antenna is located at the top of a steep tall mountain. The antenna is…
A:
Q: A capacitor in an LC oscillator has a maximum potential difference of 15 V and a maximum energy of…
A: Vm=15 VEm=360 μJE=40 μJ
Q: At frequencies of 1 MHz, the dielectric constant of ice made from pure water has values of 4.15,…
A:
Q: The parallel plate capacitor is filled with a lossy dielectric material of relative permittivity E,…
A: Capacitor is a device which stores energy in the form of electric field.For a capacitor q = CVq=…
Q: Consider a lightbulb with a power rating of 60 W, and assume that all of the energy arriving at the…
A:
Q: Using the Free Space Propagation Model, what is the change in communication range if the centre…
A: The communication link range is given by the formula, r=c4π10ar201f (1)where,c : is speed of…
Q: A 1.05-μH inductor is connected in series with a variable capacitor in the tuning section of a…
A: An LC circuit is made by connecting an inductor or a capacitor in a circuit. The frequency of an…
Q: |V(VOLT) 1.2 1.4 1.6 1.8 2 2.3 2.6 |1.6 1.8 2 I×0.01 (Amp) f = 50 Hz | X. = ohm | C = µF.
A: Capacitive reactance is the resistance offered by the capacitor represented by Xc Xc=12π f…
Q: A parallel plate capacitor is filled with a dielectric that has a dielectric constant of 1.50. The…
A:
Q: A 40.0 W incandescent light bulb transforms 19.0% of its energy into visible light; the rest goes…
A: Electromagnetic waves contain energy. This energy is generated due to its electric and magnetic…
Q: Consider a bright star in our night sky. Assume its distance from Earth is 86.3 light-years (ly) and…
A:
Q: Consider a bright star in our night sky. Assume its distance from Earth is 84.9 light-years (ly) and…
A:
Q: A transmission line of electric length 1 = 0.375 2, and operates at a frequency of 1 GHz, is…
A:
Q: In order to get the reactance to 120 at 1.0 MHz, you add a capacitor in series to your 3.0 nF…
A:
Q: Consult Multiple-Concept Example 5 to review the concepts on which this problem depends. A light…
A: Power, P=150.0W Distance, r=4m
Step by step
Solved in 2 steps with 2 images
- 75cm The intensity of sunlight sdeiking the earth is 1.4kW/m². what is the maximum power that could possibly be abrorbed by the earcth? (The earth's radius is 4000 miles) How does this Compare with the average power dlemands af humankind! Given the earth-sun distarice of 93 million miles, of I50 million miles, and the mars -Sun distance what is the intenrity of sunlight shriking mars? The 6 pluto-sun dirtance is about 4. billion miles; what is intinidy on pluta?The inhomogeneous Maxwell equations are given as follows: 18 c² Ət V.E= (b) P Eo VxB - Use inhomogeneous Maxwell equations to derive the two equations of motion for the potentials (a) -0$ 10 -DA+VV.A+ Φ = HoJ, c² Ət Ε= μου. P - (v. A+ 100) - ². ә Ət = t Hint: Vx (V xA) = V(VA) - V²A and =V²- -Under what conditions might wires in a circuit where the current flows in only one direction emit electromagnetic waves (select all that apply)? When the current as a function of time is described by the function I(t) = 6.0 A When the current is switching between two distinct positive values When the current has any nonzero constant value When the current passes through a resistor
- A sound speaker is rated at a voltage of P = 120.0 V and a current of Iurrenmt = 8.00 A Electrical power consumption is P = IV , where the units are: [W] = [A] [V] . To test the speaker, a signal of a sine wave is applied to the speaker. Assuming that the sound wave moves as a spherical wave and that all of the energy applied to the speaker is converted to sound energy, how far from the speaker is the intensity equal to I = 3.73 W/m ? Express your answer in m. Hint: remember, the intensity of a wave is I =Consult Multiple-Concept Example 5 to review the concepts on which this problem depends. A light bulb emits light uniformly in all directions. The average emitted power is 150.0 W. At a distance of 4 m from the bulb, determine (a) the average intensity of the light, (b) the rms value of the electric field, and (c) the peak value of the electric field. (a)S= i (b) Erms= (c)Eo= i + +In recent years it has been possible to buy a 1.0 F capacitor. This is an enormously large amount of capacitance. Suppose you want to build a 1.1 Hz oscillator with a 1.0 F capacitor. You have a spool of 0.35-mm-diameter wire and a 3.1-cm-diameter plastic cylinder. /myct/itemView?assignment ProblemID=195605802&offset=next F2 # 3 E 80 F3 $ 4 R F FA 5 V T L FS G 6 B ▼ Part A How long must your inductor be if you wrap it with 2 layers of closely spaced turns? Express your answer with the appropriate units. ▸ View Available Hint(s) 1= Value Submit Provide Feedback Y C FO H & 7 HA « N F7 U 4 ** 8 J Units DII F8 M SE ? 9 DD K F9 O ) O 36 A F10 L P S F11 { F12
- For calculations, take the typical frequency of visible light and aluminum conductivity ω = 4 x 1015 s-1 σ = 3.8 x 107 Ohm/mThe intensity of your wifi signal is 16 units at a point A from the router. What would be the approximate intensity when you move to a point B which is double the distance from the point A? 8 units 16 units 4 units 32 unitsMy question is if there is a building with 1000 windows and the building windows have a dimension of 2 metres width, 4 metres height and a thickness of 1.5 centimetres. It has a thermal conductivity of 0.96. And the temperature outside of the building is 35 degrees and the temperature inside of the building is 24 degrees. What is power output that AC's in the building must do to maintain the 24 degree temperature?