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Consider the problem of using a low voltage system to power a small cabin. Suppose a 12-V system powers a pair of 100-W light bulbs (wired in parallel).
A) What would be the filament resistance of a bulb designed to use 100 W when it receives 12 V?B) What would be the current drawn by two such bulbs if each receives a full 12 V?C) What gage wire should be used if it is the minimum size that will carry the current?
A negative unity feedback loop with input R(s), output Y(s) and error E(s) is placed around the system \(H(s)=1/((s+p_{1})(s+p_{2})...(s+p_{q}))\)(a) Find the transfer function E(s)/R(s).
A collimated light beam from a helium-neon laser at 632.8 nm wavelength impinges on a dielectric film of refractive index of 2.0 at an angle of 75 degrees to normal, with a polarization at 45 degrees to the plane of incidence.
1) Compute the average power dissipated through the resistor 2) compute RMS voltage across the resistor 3) compute V RMS^2/R. 4) prove that P avr=V RMS62/R for any periodic voltage waveform
It is decided to apply a Fast Hopping (FH) scheme on the above ASK system. The hopping is made over 12 channels of 100 kHz; or over 1.2 MHz bandwidth. The ASK signal hops 6 bands per bit period. Now a strong jammer randomly jams one of the 12 FH c..
An ideal non-degenerate silicon step junction diode with an intrinsic level Ei exactly at mid band-gap is fabricated. Answer all questions related to this diode. a) If Vbi = 0.65V and NA=4ND, what is the doping concentration in the quasi neutral n ..
The parts of this problem refer to the reflection method of solving real transformer problems: A.What is the value of Zload projected into bus (Region) 2 B.What is the total impedance of bus 2 including the projection
(a) If five different types of chips are to be placed on the board, how many different layouts are possible (b) If the five chips that are placed on the board are of the same type, how many different layouts are possible
A designer searches for a simple circuit to provide one-third of a signal current I to a load resistance R. Suggest a solution using one resistor. What must its value be. What is the input resistance of the resulting current divide
A police K-band radar is operating, with transmit power of 1000 Watts and antenna gain of 300 in linear units. The radar unit is designed to detect a target with a radar cross-section (RCS) of 6 sq. meters and its receiver can detect a signal
As far as a direct compaison of mechanical switches vs. transistors used as switches, the transistor does have a measurable impedance when ON, and a mechanical switch does not.
When placed in series a coil and capacitor resonate at a fequency of 2251Hz and when placed in parallel they resonate at a frequency of 2228Hz. At parallel resonance it is also found that a current of 0.005A flows from the supply when the supply i..
Find the electric field of a long line charge at a radial distance where the potential is 12V higher than at a radial distance \(r_{1}=1m\) where the magnitude of the electric field is 5V/m .
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