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1. What is Snell's law?
2. What is meant by the plane of incidence? Distinguish between the two different linear polarizations pertinent to the derivation of the reflection and transmission coefficients for oblique incidence on a dielectric interface.
A 2-kHz sound wave traveling in the x-direction in air was observed to have a differential pressure p(x,t) = 10 N/m^2 at x = 0 and t = 50 μs. If the reference phase of p(x,t) is 36 degrees, find a complete expression for p(x,t). The velocity of so..
Provide color codes for various fire extinguisher types available such as - water, carbon dioxide, wet chemical etc.
A line charge of infinite lenght lies along the z axis and carries a uniform linear charge density of ρl C/m. A perfectly conducting cylindrical shell, whose axis is the z axis, surrounds the line charge.
What are the required values of R1 and R2 if the input impedance must be at least 30 k Ω.
A (3V, 300mA) flashlight bulb is to be used as the dial light in a 120V radio. What is the resistance of the resistor that should be connected in series with the flashlight bulb to limit the current
A U.S Department of Energy report estimates that over 100billion kWH/year can be saved in the United States by variousenergy conservation techniques applied to the pump-driven systems.
At a given instant, the total system loads are 260 MW at a frequency of 60 Hz. What are the no-load frequencies of each of the system's generators?
The relative dB amplitude reaponse of an amplifier decreases at the rate of 6 dB per octave at frequencies over 100 kHz. When the input of this amplifier is excited by a sinusoidial voltage of500 kHz and amplitude of 10 V
the switch has been open for along time .at t0the switch is closed .find the differential equation for capacitor
Explain the meaning and significance of the critical field resistance of a shunt generator.
you have three electric bulbs:100w,75w,60w. if they are in a series circuit and connected to a battery of E=10v, what are the electric voltage across each of them. the bulbs are designed to work in the u.s , that is the working voltage suppose to ..
Choose and estimate all the design characteristics of the motor, finally displayall the power flow diagram results including efficiency and speed regulation ofthe motor. Give all assumptions taken
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