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Energy stored in a spherical capacitor. A spherical capacitor is formed by two concentric, conducting shells (Figure 4.77). What is the change in stored energy if the dielectric is removed? Assume a known charge +Q on the inner shell and -Q on the outer shell.
A sequential circuit has two D flip flops A and B, two inputs x and y, and one output z. Behavior of the circuitis described by the following next-state and output equations:A(t+1) = Ay' + xyB(t+1) = B'x' + xy'z = A'(x+y)a. Determine the circuit type..
A pn-junction is uniformly doped and has dopant concentration of NA = 4 x10^16 cm-3 in the p-region at 300K. AT zero bias, 20% of the total space charge region (W) is extended in the p-region. Calculate Vbi, ND, W, xn and xp.
Using a computer program in excel plot the electron concentration of silicon doped with 1×1013 cm-3 phosphorus as a function of temperature. Use a temperature range from 300K to 800K. Assume that Nc, Nv, and Eg are temperature-independent
Design a simple current divider that will reduce the current provided to a 1k Ohm load to 20% of that available from the source.
find that competition precedes cooperation.
Two identical automobile headlamps are connected across a 12Vbattery. If the total current from the battery is measured to be6.5A, what is the current running through each head lamp.
A sin wave that is 1/2 wave rectified, has the following properties: Vmax=13 Period=7mS The voltage of the wave falls across a resistor of Rload=81Omega Ω . Calculate the average power dissipated by the load resistor in Watts.
Compute the input current, torque, output power, and efficiency.
A two-wire air line has the following line parameters: R = 0.404 (m/m), L= 2.0(µH/m),G= 0, and C= 5.56 (pF/m). For operation at 5 kHz, determine (a) the attenuation constant a,(b)the phase constant ß, (c) the phase velocity u,
design a digital circuit that takes asinput an ASCII character and generates a single output, Digit, ifthe ASCII character is a digit(one of the ASCII charactersfrom '0' to '9'). How many product terms are there in theminimized SOP form for this f..
AnNMOS operating in triode region with Vds=0.1V conducts 60μA forVgs=2V. The device conducts 160μA for Vgs=4V. Calculate Vt. IfKn'=25μA/V2 , what is the device W/L What current would flow for Vgs=3V and Vds=0.15V
The gradient of a function F(x,y,z), written as or grad F, is found as where is the unit vector in the x-direction. is the unit vector in the x-direction, and Ls the unit vector in the x-direction. What is when F = 2x + 3y2z
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