What is the overali efficiency of the solar collector with the following test results? Calculated Reading Solar Current, Voltage. irradiance, efficiency, No Wim (%) |Amp| 1.25 [Velt) 13.5 42 2 0.9 14 43 3 L05 13.9 39.2 0.97 14.5 38 0.98 16 35
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- The waveform given below is observed on the screen of a CRO. If the time/div switch is set at 10 µsec and the volt/div at 200 mV, the frequency and peak to peak voltage are, respectively. -1.5 -1 -1- -2- 2 1 1 1.5 2A resistor Ra is in series with a voltage source Va. Draw the circuit. Label the voltage across the combination as v and the current as i. Draw and label the volt–ampere characteristic (i versus v).Draw the diagram of a Zener regulated full wave power supply circuit. In your own words discuss how the bleeding resistor and Zener diode regulate the DC voltage across the filter capacitor of the power supply circuit.
- Q) Draw and explain the charging time characteristics of first order RC circuit?The average or dc value of a full-wave rectified voltage with a peak value of 75V is a. 53Vdc b. 37.5Vdc c. 47.7Vdc d. none of theseDesign the power supply using diode components. This power supply sholud have 2 outputs. 12Vdc and 5Vdc. Input 240 Vac Supply i. Draw the circuit diagram ii. Bill of material/components that will be used iii. Teh output waveform for each stage
- Q2//Answer Any Two 1. State the applications of Clamper.2- What are the disadvantages of LED? 3- Why Si & Ge are not used in LED? Q3/ Write in brief on Avalanche diode. Q4/Does Clamper circuit change the peak-to-peak (l.e., rms value)? Justfy Q5/ State the applications of the photodiode.Draw the diagram of a halfwave power supply circuit and a full wave supply circuit. Aside from the difference between the number of diodes utilized in both circuits, state the main advantage of the full wave power against the halfwave circuit for the following scenario . When there is a defective diode (open anode- cathode ) When the filter capacitor is defective (capacitor is open)refer to the circuit below, what is the secondary rms voltage, filtered dc voltage, maximum voltage at the output, pk to pk ripple voltage, and pulsating DC voltage of the circuit?
- Answer the ff.__________1. A wave shaping circuit which controls the shape of the output waveform by removing a portion of the applied wave. __________2. An electronic circuitthat fixes either the positive or the negative peak excursions of a signal to a defined value by shifting its DC value. __________3. A form of semiconductor diode in which at a critical reverse voltage a large reverse current can flow. __________4. An electronic component composed of two conductive plates separated by an insulator. __________5. A type of capacitor used in sensing applications as well as in RF electronics. __________6. A type of capacitor where the cross-sectional area is changed as one set of plates are rotated with respect to the other. __________7. A material used as electrodes for an electrolytic capacitor aside from aluminum.-Fill in the blank(s) with appropriate word(s): 1. The three –phase half - wave converter is not normally used in practical systems, because ___________________.2. The three –phase half - wave converter is provide _______________average output voltage.3. The frequency of output ripple voltage for three –phase half - wave converter is_____________.two applications for a Bipolar Junction Transistor and talk about one in detail