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1. Two parallel plates of area 100cm^2 are given charges of equal magnitudes 8.9X10^-7 but opposite signs. The electric field within the dielectric material filling the space between the plates is 1.4X10^6 V/m.
(a) Calculate the dielectric constant of the material.
(b) Determine the magnitude of the charge induced on each dielectric surface.
2. You are asked to construct a capacitor having a capacitance near 1 nF and a breakdown potential in excess of 10000V. You think of using the sides of a tall Pyrex drinking glass as a dielectric, lining the inside and outside curved surfaces with aluminum foil to act as the plates. The glass is 15cm tall with an inner radius of 3.6cm and an outer radius of 3.8cm. What are the
(a) capacitance and
(b) breakdown potential of this capacitor?
using 1/(s+2)(s+4) + c find when the poles are repeated and use that value to calculate the impulse response using laplace transforms. Calculate the step response when c = 10 using Laplace transforms.
Let a 4x inverter have transistors four times as wide as those of aunit inverter. If a unit inverter has three units of inputcapacitance and parasidic delay of pinv, what is the input capacitance of a 4x inverter
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To maintain a freezer box at -40°C on a summer day when the ambient temperature is 27°C, heat is removed at the rate of 1.25 kW. What is the maximum possible coefficient of performance of the freezer
Having recently lost her job, Penny Penching is looking for every possible means of cutting costs. She decides that her 4.0-Watt clock radio alarm does not need to be on for 24 hours every day since she only needs it for waking up after her averag..
What is the peak frequency deviation of the FM signal and bandwidth of the FM signal? The signal is received with CNR = 30.0 dB. What is the SNR of the recovered video signal at the radio receiver output?
write an application for a furniture company the program determines the price of a table. ask the user to choose 1
Problem: Estimate the resistivity of pure silicon in ? em at (a) room temperature, (b) 77K, and (e) 1000oC. You may neglect the temperature dependence of the carrier mobility in making this estimate.
The density of gasoline is 0.72 grams per cubic centimeter. What is the mass in units of kilograms of a 5-gallon container filled completely with gasoline Ignore the mass of the container.
A M-bit thermometer code for the number k consists of k 1's in the least significant bit positions and M-k 0's in the more significant bit positions. A binary-to-thermometer code converter has N inputs and 2^N-1 outputs.
The charge entering the positve terminal of an element is given by the expression q(t)=-12e^(-2t) mC. The power delivered to the element is p(t)=2.4e^(-3t) W. Compute the current in the element, the voltage across the element,
A 10V supply is connected in series with a resistor and 3 diodeswith the output taken with respect to the three diodes together to ground. The problems asks to find the value of the resistor provided that the output voltage is 2.4 and the diodes h..
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