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A Si p+-n junction has a donor doping of 5*10^16 cm^-3 on the n side and a cross sectional area of 10^-3 cm^2. If τ(p)= 1μs and D(p) = 10cm^2/s, calculate the current with a forward bias of .5V at 300K.
R1=1k ohms, R2=1.5k ohms and R3=3k ohms. Assume an ideal opAmp. Indicate the PEAK current in each of the resistors.
A long cable with cylindrical cross-section has inner conductor of radius a and an outer conductor of inner radius b and outer radius c. The dielectric constant of the material between the conductors is 3.
Then find the total energy stored in the battery before it is connected to the bulb. Determine the total amount of charge that has pessed through the wires that connect the battery and the bulb.
Each single phase transformer has an identical number of turns in the primary and secondary windings. If a line-to-line voltage of 480V is applied on the wye windings, compute the line-to-line voltage on the delta windings.
What is the function of the enable control input of a tri-state buffer. If the output of two or more tri-state buffers is connected to each other, what is the restriction on enable control input lines.
determine the frequency response for the LTI system specified by the LCCDE y[n] - 0.8y[n -1] = x[n]. Plot the magnitude response and phase response for -pie
A causal linear time-invariant continuous-time system has impulse respose h(t)=(sin t)u(t-2). Compute the output respone y(t) for all t is greater than 0. compute the output response y(t) when x(t)=u(t) -u(t-1).
A sinusoidal voltage source of v(t) = 170 cos(2pi 60 t) V is applied to a nonlinear load, resulting in a nonsinusoidal current that is expressed in Fourier series form as i(t) = 10 cos(2pi 60t + 30) + 6 cos (4pi 60t + 45) + 3 cos(8pi 60t + 20) A.
A 340 V, 6 pole dc Shunt motor has the following parameters: Rating: 35 kW Current: 122 A Speed: 1000 rpmArmature resistance: 0.35 Ohm Sunt field resistance: 150 Ohm Friction&Windage loss: 1.2 kW
if you use the sinusoidal waveform to drive the speaker: What change in the sound do you expect to hear when you increase the amplitude of the sinusoidal signal on the function generator
determine the voltage drop across the 20 Ohm resistor with respect to the 48 V source. I'm having difficulty understanding why the voltage comes out to a negative 12 V, then to a negative 8 V.
Determine the distribution of the number of customers waiting in the queue.
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