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inductor L and assume they have been connected for Consider a circuit consisting of a sinusoidal source V s (t) = cos (t) u (t) volts connected in series to a resistor R and an a very long time.The average power used by the resistor is what you pay to the electric company, but there is also reactive power for which you do not. The complex power supplied to the circuit is defined as:P = ½ V s I*Where V s and I are the phasors corresponding to the source and the current in the circuit, and I* is the complex conjugate of I. Consider the values of the resistor and the inductor given above, and compute the complex power and relate it to the average power computed in each case.
A black box contains an impedance coil across the two available terminals of the box. The box 20 ampere from a 12-V battery and when it is connected to a 220-v 60 cycle source, it takes 900W.
Assume dual rail logic. Dual rail logic means that both a variable and its complement are available as inputs to the logic block, such that an inverter is not needed to generate B' from B.
Determine the power transmitted through the shaft of a car when the torque applied is 200 N · m and the shaft rotates at a rate of 4000 revolutions perminute (rpm).
What are the major classes of UML diagrams or drawings. Five a one or two sentence description of the purpose of each type of drawing. What are the major elements that should be included in a dynamic model.
AN SSB signal is generated by modulating a 5 MHz carrier with a 400 Hz sine tone. At the receiver, carrier is reinserted during demodulation, but its frequency is 5.00015 MHz rather than exactly 5 MHz. How does this affect the recovered signal
A particular diode was measured to have VD = 0.62 V at ID = 5.895 mA. Determine the following: a) the reverse saturation current IS. b) VD for a forward current of 100 mA. Assume VT = 25 mV.
1.2MW wind turbine has rotor diameter 64 m. Turbine operates in area with average wind veocity=7.5m/s with air density = 1.18kg / m^3. Turbine power coeff. including unit efficiency = 42.8 % Determine power output and the annual energy produced
Estimate the size and weight of an 1970 automobile using 1970 electronics technology which would have the equivalent computational power and electronics a typical 2013 automobile.
an unknown sensor is investigated by connecting resistors across the output and measuring the current through them. When a resistance of 30 is connected the current through it is 0.5A. When the resistance is replaced by 20
Given the function 10sin^2(10t) Find the fundamental frequency and period. Find the exponential and trigonometric coefficients of the Fourier Series. so T=pi/10. f is 20
What distinguishes an external interrupt from an RTI interrupt Describe what transpires when an interrupt occurs What is an interrupt service routine What benefit does the ISR have over standard polling code
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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