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A load Z draws 12 kVA at a power factor of 0.856 lagging from a 120-V rms sinusoidal source. Calculate:
(a) the average and reactive powers delivered to the load,(b) the peak current, and(c) the load impedance.
If these nominal non--ideal parameters are replaced, one at a time, by A = 50000, Ri = 1 M and R0 = 150 (each of which is twice as bad as the nominal values), which parameter has the largest impact on the output voltage
A certain battery has terminals labeled a and b. The battery voltage is vab = 12 V. a) To increase the chemical energy stored in the battery by 600J, how much charge must move through the battery
a carrier wave is frequency-modulated using a sinusoidal signal of frequency fm and amplitude Am. (a) determine the values of the modulation index beta for which the carrier component of the fm signal is reduced to zero. see the appendix for calcu..
1.The S12G128 CPU board has one IRQ pin. You have four devices that will request interrupt service. How do you determine which device(s) need service 3.A communications channel has a bandwidth of 2,000 Hz and a signal-to-noise ratio (SNR) of 40 dB.
Explain the process of processor development
the project manager on a development project working on a new line of laptop computers. The project has been broken down into the following modules: Power supply, Processor and motherboard with RAM, I/O circuit board
Operational amplifier - Finding the offset voltage, An operational amplifier has a gain of 20. The input voltage is 125mV and the input bias current is zero.
Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.
Discuss the differences between series and parallel circuits. What are some advantages and disadvantages of each type Discuss why the total power equals the sum of the individual values of power, whether a series circuit or a parallel circuit is u..
A solar cell is uniformly illuminated by monochromatic light of 700nm with power density of 20 mW/cm^2. What is the corresponding incident photon flux What is the upper limit to Jsc if the bandgap is 1.4eV
Calculate the following: A. What is the magnitude of the voltage in a wall socket if the effective voltage is 240 Vrms B. What is the magnitude of the current if the effective current is 360 mA rms
Based on these equations, determine the maximum power point. This is the value of and T that result in maximum power. State the power and the (,T) values. Do not assume this happens at 0.5T. The best way to do this is to make an Excel spreadsheet.
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