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1. Devise a hybrid system for biomass and concentrated solar power generation
2. Consider the system from Fig. 12.14; make reasonable assumptions for the efficiency of each component and determine the energy and exergy of the overall system
1. which would have a higher line reactance in ohms. An overhead 138KV line or an overhead 34KV line. Why. 2. Does line charging amps increase or decrease with line length. Why
v(t)=20te^( -40t ) and i(t)=50te^( -40t ) for t>=0 both v and i are zeros for i
A panasonic model Rx-ft560 stero uses a 12V_dc powwer supply. At full volume ( max triple min-bass) A max current of 1.4 amps is needed from the power supply. at min volume, this drops to 200mA. (hint: calculate the range of R_L)
Design a voltage regulator circuit that can provide a voltage Vload = 5V at a maximum of 100mA from a 6-V battery. A maximum of 1 W of power should be dissipated in any one component.
If the LSB signal is transmitted through a channel that only introduces a 0.3 ms delay, and the oscillator at the LSB receiver produces a local carrier 2 cos(2 pi fct), determine the receiver output signal y(t).
A long hallway has three doors, one at each end and one in the middle. A switch is located at each door to operate the incandescent lights along the hallway. Label the switches A, B, and C. Design a logic network to control the lights.
Assume a piecewise linear model for the diode has a cut-in voltage of 0.7V and a forward resistance , rf, of zero. Determine the ripple voltage, Vr, for each of the following capacitors : 1μF, 10μF,100μF for a following a half wave rectifier.
For the system specified by the following difference equation, compute the first five samples of the response to the input given as x(n)=e^-0.4n u(n-1). The system is initially at rest. y(n)=y(n-1)-2y(n-2)+x(n)-0.8x(n-1)
Need a Full Report about Thyristor and SCR (Silicon Controlled Rectifier) Construction, Operation, Characteristics .
Where (in the sequence of subsystems within a communication system) does the line encoder used? Draw a block diagram. Write a sentence or two on what is in the other boxes. What are the two broad parameters associated with an efficient line encoder..
The signal generated by a source with 50 ohm impedence is to beattenueated by a factor of 10. The output impedence of the sourcefollowed by the attenuator should also be 50 ohm. Choose values forthe resistive divider.
The fermi level for the conductor is 5.6e.V. There are 5.8x1028 free electrons /m3. Find the (a) mobility and relaxation time of electrons ,(b)Average drift velocity of the electrons when the applied electricfield is 1.5 V.- cm-1, (c)Mean free pat..
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