electromagnetic theory What is the unit of light intensity? a) C b) sr c) N d) cd

Q: The electric field lines point radially outward a negative point charge. OTrue OFalse

A: The question is about electric field lines point radially outward for the negative point charge is…

Q: The average solar power received per unit area at the top of the atmosphere is called a. solar…

A: We need to tell about power per unit area .

Q: 2. Sunlight with an average intensity of 960 W/m² passes through a window. What is the peak value of…

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Q: turbines to produce electricity. The geothermal power plant utilize. O water O wave O steam O wind…

A: In this question they are interested to to find the which type of turbines are used in the…

Q: The Speed of sound in air at room temperature is about 434 m/s,calculate this speed in (mph)

A: The given speed of sound in air at room temperature is: V = 434 m/sec We know that, 1 mile = 1609.34…

Q: The wavelength of an electron exist in a * stable orbit n=1 is equal to 4.44 A ° 1.11 A ° 2.22 A ° O…

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Q: Determine the velocity of an electron at energy level of n=8n=8.

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Q: QI: Sketch the charges waveform of the electric current diagram below if q(0) 0 then calculate the…

A: ith = 34t - 44t-4  + 44t-6-44t-8 + 4t-10

Q: Quiz (1) A projectile is fired with an initial velocity of va = 150 m/s off the roof of the…

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Q: 24.The electric field of a uniform plane wave in a medium =0;µ=Ho;ɛ=80ɛ, ;s E = 12 sin (2n X 107 t -…

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Q: Two electric field lines can cross each other Select one: True False

A: Electric field lines depend on the charge. They are imaginary lines drawn on the electric field.

Q: Find out the electric field strength at 120 km away from a transmitting antenna. The antenna is…

A: The power density of the antenna is given by the formula as

Q: Determine the overall Grms level of the following random vibration spectrum: 0.01 0.001 0.0001 10…

A: Given: Random variable spectrum

Q: The standard unit to measure luminous intensity is called and the symbol is given by

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Q: What is the effective isotropic radiate power (EIRP) in W? (Use two decimal places for the final…

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Q: Calculate the frequency of a signal with a wavelength of 21 m. Round the final answer to two decimal…

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Q: -The electric field intensity ? L/A C V/I C V/R C V/L C None of them.

A: In this question we will write about electric field intensity...

Q: 2. Sunlight with an average intensity of 960 W/m² passes through a window. What is the peak value of…

A: In the question it is given that average intensity is 960W/m^2 which is nothing but the Poynting…

Q: If a microwave beam is having a power density of 100 W/m2 then find the magnitudes of peak electric…

A: The peak electric field E can be computed fro the power density P using the following formula:

Q: Throughout the semester we have seen many examples of how electromagnetic radiation is produced.…

A: The electromagnetic wave is produced due to the acceleration of a charged particles. Photon is a…

Q: In the space provided, make a sketch of the wave shape for a standard 120 V ac power line. In your…

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Q: 4. An electric current can be represented by the function y = 2 cos (27(x – 0.02)), with time in x…

A: y=2cos2πx-0.02

Q: 2. Sunlight with an average intensity of 960 W/m passes through a window. What is the peak value of…

A: Sunlight with an average intensity of 960W / (m ^ 2) passes through a window. What is the peak…

Q: The following are electromagnetic waves except Sound waves Gamma waves Infrared waves. None of these

A: Sound waves are not electromagnetic waves.   Gamma waves and infrared waves are electromagnetic…

Q: Find the divergence and curl of electric field strength if E = Eocos Ear - Eosinθaθ

A: Given electric field strength is E=Eocosθar-Eosinθaθ Given coordinate system is r,θ,ϕ Therefore…

Q: 4.1 A light wave from a star has a frequency of 6.67 × 1014 Hz and a wavelength of 4.50 × 10−7 m.…

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Q: Time base generator produces a saw tooth wave form which is useful for the horizontal deflecting…

A: Time base generator produces a saw tooth wave form which is useful for the horizontal deflection…

Q: Step 1.2 Plot the following equations: m(t) = 10cos(2π*400Hz*t) c(t) = 5cos(2π*10kHz*t) Kvco = 1800…

A: Plot the following equations:m(t) = 10cos(2π*400Hz*t)c(t) = 5cos(2π*10kHz*t)K vco = 1800   Select…

Q: An electrical factor affecting corona in an overhead transmission line among the given options is.…

A: To answer above question one should know what corona effect in transmission line is and how it is…

Q: An electromagnetic wave travels a distance of 100 feet in 4 cycles. Calculate its a) wavelength b)…

A: an electromagnetic waves travels a distance of 100 feet in 4 cycles. calculate wave length and…

Q: Define electric field intensity in terms of voltage. Calculate electric field intensity at a…

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Q: A phase retardation plate njade by quartz has thickness 0.1436 mm. For what wavelength in the…

A: Given: A phase retardation plate made by quartz has thickness, t = 0.1436 mm μo=1.5443μe=1.5533

Q: The following are electromagnetic waves except Sound waves Infrared waves. Gamma waves None of these

A: We need to select correct option for given statement

Q: energy is a form of energy which includes microwaves, X-rays, gamma rays and visible light. O…

A: Electromagnetic energy includes X rsys, gamma rays , visible lights, radio waves etc

Q: if a positive charge Q=100uC is located at the origin in rectangular coordinate system. Determine…

A: Magnetic field is a place where the influence of the magnetic lines of force are felt.

Q: Calculate the frequency of a signal with a wavelength of 68 m. Round the final answer to two decimal…

A: Given:- Wavelength = 68 metres

Q: The following are electromagnetic waves except Sound waves Gamma waves None of these Infrared waves.

A: In this question we will write about EM waves type...

Q: Q1 Volt/Div of an oscilloscope is set to 5 V and its Time/Div is set to 1ms. Find the amplitude,…

A: Given, Waveform on oscilloscope, Volt/Div=5 VTime/Div=1 ms

Q: The energy available in biomass is the O a. heat released by the biomass when burned O b. binding…

A: We need to tell about the available energy in biomass

Q: Q2: Explain the modes of radio wave propagation, and highlight the main and applications of each…

A: Radio wave propagation: The phenomenon that occurs during the traveling of waves from a transmitter…

Q: What is the actual velocity of EM energy in the cable used for cable TV that has a propagation…

A: Velocity of light can be calculated in the following way:

Q: Electromagnetic waves EM are capable of propagating through insulators such as glass. Select one:…

A: electromagnetic waves can travel not only through air and solid materials, but also through the…

Q: 20) Find the maximum wavelength of photons that can ionize an oxygen molecule (02) if 12.5 eV is…

A: We need to find out wavelength . We know relationship between energy and wavelength from that…

Q: The radius of a circle is 20 m. The arc length is 15 m. Find the angle expressed in radians and the…

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Q: Find out the electric field strength at 90 km away from a transmitting antenna station of 50 kW…

A: Given that, the transmitting antenna station of 50 kW power is away from a point at 90 km. That is,

Q: quantities at any instant of time. Select one: True False

A: Alternating waves varies with time.

Q: Find a relation between the potential difference and the wavelength of an electron which starts its…

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Q: 1. what is communication receiver and explain in detail the operation. 2. Explain in detail how the…

A: According to the question, we need to explain 1. what is the communication receiver and explain in…