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A power supply, when connected to a radio, provides 5V to the radio. When connected to a lamp, it provides 4V to the lamp. Assume the radio can be modeled as 6ohm resistor and the lamp can be modeled as a 0.7ohm resistor. Find the Thevenin equivalent circuit for the power supply.
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.
Determine the phase relation between V o and i g for the given network if V g = 45sin(317t) and determine v o for the given network
A jogger accelerates from rest to 3.75 m/s in 3.58 s. A car accelerates from 16.7 to 31.6 m/s also in 3.58 s. (a) Find the magnitude of the acceleration of the jogger. (b) Determine the magnitude of the acceleration of the car.
A current of 5A flows through a resistor connected in series with choke coil. It is supplied with 250 V , 50Hz supply . If potential difference across resistor is 125 and across choke coil is 200 volt .
determine the following by sloving laplace equations: a) the potential and electric field distribution in the dilectric slab. b) the potential and electric feild distrivution in the air space between the dilectric slab and the upper plate and c) t..
What are the design implications for the location and positioning of solar cells? Explain why the use of solar cells might be more appropriate in some regions of the country.
Write a function called AnalyzeData. This function is passed a double array along with a parameter that indicates the number of elements in the array. It is also passed a double value.
Assume that an additional inductance can be inserted in series with the load. Also assume that the converter has no freewheeling diodes. Calculate the added inductance that leads to a conduction period of 180 degrees when alpha = 30 degrees.
A certain unity feedback control system has the closed-loop transfer function: T(s)= Y(s)/R(s)= (s/10+1)/((s/100+1)*(((s/20)^2)+s/20+1))) a) What is the estimated rise time b) What is the estimated overshoot
Two parallel connected 10 kV to 120 V 60 Hz single phase transformers supply a varying load. When the total secondary load current is 250 A at 0.85 PF lagging, determine the secondary current and operating PF of each transformer.
For a conductive metal the Fermi energy was determined to be 7.01eV at 300K. a)What is the probability of an electron occupying the energy level of 7.15eV b)What would the probability become if the temperature rises to 757°C
Boron donor atome at a concentration of 10^15 cm^-3 are distributed uniformley throughout a silicon sample. The sample is then also doped with 6*10^15 cm^-3 of phosphorous. calculate the position of the Fermi level
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