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It is required to use a rectifier circuit todesign a power supply that provides an average dc output voltage of12 V on which a maximum ripple voltage of 0.5 V is allowed. The rectifier feeds a load of 200 W and is fed from the linevoltage (120 Vrms, 60 Hz) through a transformer. The diodesavailable have a 0.7 V drop when conducting. If the designeropts for a half wave rectifier circuit:
A) Specify the rms voltage that must appear across the transform secondary.
B) Find the required valueof the filter capacitor.
C) Sketch Vs andVo.
D) From the sketch in C), find the maximum reverse voltage that will appear across the diode, andspecify the PIV rating of the diode.
E) Calculate the peak diode current.
Write a program to blink the last 3 digits of your social security number on 3 bits of Port B. For example if the last 3 digits are 654 then bit 2 of Port B should blink 6 times, bit 1 should blink 5 times and bit zero 4 times.
While both triangular and sawtooth waveforms work in a PWM modulator, it does affect the phase of the PWM output and being able to control this can be useful. Consider your resistor and capacitor choices for the 555 timer circuit.
Using coppers resistivity of 10.30 CM-olm/ft at +25 °C, find how long a 1 inch square bar of copper would need be to have a resistance of 1 at +20 °C
You mix aqueous solutions of sodium iodide and lead(II) acetate. If a reaction occurs, write the balanced molecular equation and the net ionic equation. If no reaction occurs, indicate this by writing the formulas of the compounds and an arrow fol..
A touch sensor base on a piezoresistor built into a micromechanical cantilever made of silicon is cnnected in a Wheatstone-bridge configureation with a Vo = 1 volt. If L = 1.44cm and W = 1 cm
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 13.5 cm, giving it a charge of -13.9 µC. (a) Find the magnitude of the electric field just inside the paint layer
1. If 60C of charge pass through an electric conductor in 30seconds, determine he current in the conducor. 2. Determine the time interval required for a 12A battery charger to deliver 4800C.
An RC circuit has a capacitance C=100μF. The voltage across the capacitor is vc= 141.42 sin1000t. Find the instantaneous expression for the current. If a voltmeter is connected across the capacitor and an ammeter in series in the circuit,
1) What is the dynamic range for an 8-bit ADC 2) A device that responds to a small current or voltage change by activating a mechanical switch allowing a larger amount of current flow is a: a) transistor. b) transducer. c) solenoid. d) relay.
(a) If the primary coil, Nsubp has 500 turns and Vsub2=240V than, how many turns does the secondary coil have (b) If the turns ratio is 5, and Vsub2=240V, than, what is the current flowing through both coils
Design a 4-bit serial equality comparator. That is, if we have a3a2a1a0=b3b2b1b0, then eq=1. Note that a3a2a1a0 is stored at register 1, while b3b2b1b0 is stored at register 2.
Two large plates at temperatures of 90C and 70C are separated by a steel rod .3m long and 0.025m in diameter. The rod is welded to each plate. The space between the plates is filled with insulation that also insulates the circumference of the rod.
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