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A vertical rod is attached at point A to the cast iron hanger shown. Knowing that the allowable stresses in the hanger are σall = 15 ksi and σall = 212 ksi, determine the largest downward force and the largest upward force that can be exerted by the rod.
npn transistor has a CBJ with area 150 times that of EBJ. If Is= 5 x 10^-15 find the voltage drop across EBJ and CBJ when each is forward biased and conducting a current of 1mA. Also find the forward current each junction would conduct when forwar..
A certain amplifier has an input voltage of 100 mV rms, an input resistance of 100kΩ, and produces an output of 10Vrms across an 8-Ω load resistance. The power supply has a voltage of 15 V and delivers an average current of 2 A. Find the power dis..
A silicon (ni= 10^10 cm^-3) p-n junction diode has a maximum electric field of -10^6 V/cm and a depletion layer width of 1 um. The acceptor density in the p-type region is four times larger than the donor density in the n-type region.
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A collector modulated transmitter has a supply voltage of 48 V and an average collector current of 600 mA. What is the input power to the transmitter How much modulating signal power is needed to produce 100 percent modulation
An ideal C/D converter is followed by a discrete-time LPF which is followed by an ideal D/C converter. The sampling rate is 8000 samples per second. The input analog signal is bandlimited to 3900 Hz. The overall frequency response is required to s..
If a series 50-kΩ resistor is used, find the values of L and C.
At an operating frequency of 5 GHz, a 50-lossless coaxial line with insulating material having a relative permittivity r = 2.25 is terminated in an antenna with an impedance ZL = 150 Use the Smith chart to find Zin. The line length is 30 cm
Problem: A 50kW load operates from a 60 Hz 10 kV line with a power factor of 60% lagging. Determine the capacitance that must be placed in parallel with the load to achieve a 90% lagging power factor.
The solutions to Schrodinger's wave equation for a particular situation is given by Psi(x) = sqrt(2/ao)*e^-x/ao. Determine the probability of finding the particle between the following limits: (a) 0
A causal LTI system has the difference equation y[n]+0.25y[n-1]-0.125y[n-2] = x[n]+x[n-1]. What is the impulse response of this system and what is it's output y[n] for input signal x[n] = (-1)^n u[n].
Explain briefly why XL limits the amount of alternating current. Explain why XL increases with higher frequencies and more inductance. How might you use this fact in an application.
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