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The switch of given figure has been closed for a long time. It is then opened at t = 0 s.
a. Write the mathematical expression for the current iL and the voltage vL after the switch is opened.
b. Sketch the waveform of iL and vL from initial value to the steady-state level.
a piston cylinder device initially contains steam at 3.5 MPa, superheated by 5 C. steam loses heat to the surrounding and the piston moves down hitting a set of stops at which point the cylinder contains saturated liquid water.
1-phase 2-winding transformer is rated 30 kVA, 360/90 V, 60 Hz. A source connected to the 360-V winding supplies an impedance load connected to the 120-V winding. The load absorbs 15 kVA at 0.8 p.f.
The fourier transform of the triangular pulse x(t) is expressed as: X(w) = 1/w^2(e^jw - jwe^jw - 1) Use this information, and the time-shifting and time-scaling properties to find the fourier transform of the signal: y = x, -1
What is the (approximate) maximum electric field intensity for which constant mobility may be assumed for electrons in silicon In a digital circuit with a supply voltage of 1V, what is the corresponding gate length for MOS transistors
Three boards are nailed together to form the beam shown, which is subjected to a vertical shear.
The amount of sunshine on a horizontal surface at the equator is 5kWh/m2/day. Suppose a house is to run entirely off grid on solar electricity alone using a high performance silicon photovoltaic module with specifications shown below: Maximum powe..
A typical50,000 watt AM broadcast transmitter will generally have severallow power audio amplifier stages, a high power (~25,000 watt) audiooutput stage to generate the audio power that modulates the RFcarrier, low power RF stages to generate the ..
Assume that the input sequence is of length M = 2; i.e., x[n] = 0 only for N = 0 and N = 1. Draw a new flow graph for N = 16 that shows how the nonzero input samples propagate to the output DFT; i.e., eliminate or prune all branches in the flow gr..
Calculate the carrier concentrations and the type of semiconductor if a pure silicon crystal at 300K is doped with 2.5×10^13 cm-3 boron atoms.
A sinusodial current has an amplitude of 5A. It has a scalar frequency of 60 Hz. The signal has a current of 5A when t=0s. Write down the equation for the current as a sine function of time (I.E.- Using the sine function)
a sound distribution system has the following outputs 10 watts at 8ohms,5watts at 4 ohms, 15 watts at 16 ohms and 2 watts at 4 ohms if the input to the amplifier is 20 millivolts at 600 ohms how much gain in decibels will be required of the amplif..
The current through a particular circuit element is given by i(t) = 10sin(200*pi*t) A. Determine the net charge that passes through the element between t=0 and t=10ms. Repeat for the interval t=0 and t=15ms.
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