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In a FWR circuit using an LC filter, , μF and RLΩ. Calculate Idc , Vdc , ripple factor for an input of ( ) . Sol: = sin
A 250V rms system is supplying three parallel loads. One draws a 20kW at unity power factor, a second uses 25kVA at PF=.8 lagging, and the third requires a power of 30kW at a lagging PF of.75
Measurements taken on various resistors are shown below. For each, calculate the power dissipated in the resistor and the power rating necessary for safe operation using standard components with power ratings of 1/8 W, 1/4 W, 1/2 W, 1 W, or 2 W
A function generator is adjusted to give a 60 HZ sine wave with no-load (open-circuit) voltage of 3Vrms. When a 1k ohm load is place across the output terminals of the function generator, the output voltage drop to 8Vpp.
An AM signal has the equation v(t) =[15+4 sin (44 x 10^3t] sin (46.5 x 10^6t)Va. Find the carrier frequency.b. Find the frequency of the modulating signal.
The input voltages are inthe range of a few micro volts. Contrast the utility of a BJTversus a MOS transistor for this input stage. How would your choice be different if the application were for a low impedance hall effect sensor used in a wheel r..
If the energy stored in the fully charged battery is used to lift the battery with 100-percent efficiency, what height is attained. Assume that the acceleration due to gravity is 9.8 m/s2 and us constant with height.
A chemical plant needs a microprocessor-driven alarm system to warnof critical conditions in one of its chemical tanks. Thethank has four HIGH/LOW (1/0) switches that monitor temperature(T), pressure (P), fluid (F), and weight (W).
3)What factors started the decline in the nuclear power industry, and what events essentially ended new construction of nuclear power plant 4)What are three advantages of using AC power over using DC power
Describe the performance differences between an AM and FM system. Be sure toinclude parameters suchas: Power efficiency, spectral efficiency,noise immunity,and performance.
In a 120V compound generator, the resistances of the armature shunt and series windings are 0.06 ohm, 25 Ohm, and 0.04 Ohm respectively. The load current is 100A at 120V, find the induced EMF and the armature current of the generator.
a) show the truth table b) show an algebraic expression in sum of minterms fom. c) show a minimum sum of products expression d) show the minterms of the complement of each function in numeric form.
Three single-phase transformer are used to form a three-phase transformer bank rated 13.8kV(delta)/120kV(wye). One side is connected to a three-phase load of 12 MVA at 0.8 power factor lagging. Determine the turns ratio of each transformer
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