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A)What is the standard frequency of the AC voltage generatedand distributed by an electrical utility?B)Explain the function of the prime mover in the generating process.
A circuit element hiden inside a paper bag draws a current that varies with time t (in seconds) according to the current function i(t) = 0.032 sin(2350·t) Amps, while the voltage drop across this element is given by the function v(t) = 8.27 cos(23..
Assume initially that no inputs have been seen and create a special initial state with output 0 to start the Moore machine. Draw a state graph for a Moore machine (minimum number of states is 5).
Two amplifiers are cascaded, one with a voltage gain of 6 db and the other with a voltage gain of 4. if 1 V is applied at the input of the first amplifier, what is the voltage at the output of the second amplifier
Assuming the op amp is not saturated, find the Thevenin resistance between terminals (a,b). Since there is no independent voltage or current supply, the Thevenin voltage is zero, and one must attach a test source at (a,b)
We use the time constant to characterize transients in electric circuits. In physics, the half-life is often used to characterize the exponential decay of physical quantities such as radioactive substances.
An 8cm diameter hydraulic cylinder has a 4cm diameter rod. If the cylinder receives flow at 100Lpm and 12MPa, find the a) Extension and retraction speeds b) Extension and retraction load-carrying capacities
1. a nichrome wire 12 ft long and .011 inch diameter conducts 1.83A when 120v are applied. what is the resistivity of nichrome 2. Copper windings of an electric motor at room temperature of 25 degrees C has resistance of .20(r).
A system is called complex if a real-valued input can produce a complex-valued output. Suppose a linear, time-invariant complex system has an impulse response of h(t)= j[u(-t+2)-u(-t)]
A current of 1600 A exists in a rectangular (0.4-by-16cm) bus bar. The current is due to free electrons moving through the wire at an average velocity of v meters/second. If the concentration of free electrons is 10^29 electrons per cubic meter
Research the recent history of gasoline pricing in your area, and attempt to relate any fluctuations you observe to documented supply and demand factors outlined in our book. Be sure to cite any references used.
For the difference equation below, find the impulse response by first solving without any transforms. Assume sequence is zero-valued for n
a single phase 10kVA, 2400/120 V transformer has the following equivalent measurements (referenced to high side): Rc 64k ohms, Xm 9.6k ohms, Re 19.3 ohms, Xe 73.3 ohms. if the secondary load is Zl = 5 angle 30 degrees ohms
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