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The current flowing into a particular capacitor is given by the expression I = 6e^(-0.05t) where I is in Amps and t is in seconds. The voltage across the capacitor during the same time period is giv
a magnetic circuit has a mean length of 0.80 m, a cross-sectional area of 0.06 m^2, and a relative permeability of 2167. connecting its 340-turn 64-ohm magnetizing coil to a DC circuit causes a 56-V
Write a MATLAB program than can find and plot the pendulum angle as a function of time given an initial swing angle f=f/2. Using the plot command of MATLAB, display and animate a pendulum swinging b
Excitation is provided by a 140-turn, 30 ohm coil. Determine the voltage required to establish a flux density of 1.56T. The reluctance of the magnetic circuit, when operating at this flux density is
the magnetic circuit of an inductance coil has a reluctance of 1500 A-t/Wb. the coil is wound with 200 turns of aluminum wire, and draws 3 A when connected to a 24-V battery. determine (a) the core
In a magnetic storage device, three attempts are made to read data before an error recovery procedure that repostions the magnetic head is used. The error recovery procedure attempts three repositio
A 5-kg silicon ingot is doped with 10(^16) cm(-3) phosphorus atoms. What is the total mass of phosphorus in this ingot
an amplifier operating from + - 3V supplies provides a 2.2-V peak sine wave across a 100 ohm load when provided with a 0.2-V peak input from which 1.0 mA peak is drawn. The average current in each s
silicon is doped so that 1 in 10000 Si atoms is replaced by phosphorous atoms. A) Knowing that only 30% of the phosphorous atoms donate electrons at room temperature (30% ionization) , determine the
The power delivered to the element is p(t) = 0.60e-4t W. Compute the current in the element as a function of time, the voltage across the element as a function of time, and the total energy delivere
A 5 Kg silicon ingot is doped with 10^16 cm^-3 phosphorous atoms. what is the total mass of the phosphorous in the ingot. the atomic mass of silicon and phosphorous are 28.09 g/mol and 31.02g/mol.
Assume an aircraft carrier will be sunk with a probability of .3 if hit by a torpedo. At least how many torpedoes are required to hit the carrier so that it is sunk with a probability of .9
An incandescent lightbulb rated at 60 W will dissipate 60 W as heat and light when connected across a 100-V ideal voltage source. A 100-W bulb will dissipate 100 W when connected across the same sou
An amplifier with 40 dB of small-signal, open circuit voltage gain, an input resistance of 1M Ohm, and an output resistance of 10 Ohm, drives a load of 100 Ohm. What voltage and power gains (in dB)
A buffer amplifier with a gain of 1V/V has an input resistance of 1M Ohm and an output resistance of 10 Ohm. It is connected between a 1-V, 100k Ohm source and a 100 Ohm load. What load voltage resu
After 10 min the process is stopped, and fresh water is poured into the tank at a rate of 8 gal/min, with the mixture again leaving at the same rate. Find the amount of salt in the tank at the end o
A spherical region defined by 0 < R < 3 m has a volume charge density of v = 10e 2R. (a) Find the total charge within the sphere. (a) Determine the electric field everywhere.
The volume density of atoms for a bcc lattice is 5 x 1026 m-3. Assume that the atoms are hard spheres with each atom touching its nearest neighbors. Determine the lattice constant and effective radi
The substrate concentration of a N-type semiconductor is ND=10^15cm^-3. the wafer is doped with NA= 1.1*10^15 cm^-3, so that a very lightly doped P-type region is created at the surface. What is the
Determine the volumes of each of these semiconductors that will on avg contain one hole. The intrinsic carrier concentrations are ni=1.02*10^10 cm^-3,ni= 2.1*10^ cm^-3, and 10^-7 cm^-3.
Given the ratings of a single-phase transformer - 3kVA 220V/110V 50 Hz, calculate the rated current for the primary winding and the rated current for the secondary winding. The currents in the trans
Describe the characteristics of the series RC filter circuit with the output across the capacitor component. Distinguish the pass and stop bands with reference to the cutoff frequency. Also, state w
Use electric circuit analysis techniques and Laplace methods to find the charge, q(t), on the capacitor as a function of time. The switch is closed at t=0 and the initial voltage V0 on the capacitor
The voltage across an element is v(t) = 5e-7t V. The current entering the positive terminal of the element is i(t) = 1e-6t A. Find the energy absorbed by the element in 0.038 s starting from t = 0.
Assume dual rail logic. Dual rail logic means that both a variable and its complement are available as inputs to the logic block, such that an inverter is not needed to generate B' from B.