When the energy is equal to the Fermi level, the Fermi function is equal to: O a. 0.5 O b. none of the other answers O c. 0 O d. 0.4 O e. 1
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- The current through the diode in the circuit given in the Figure below when Vy = 0.7 V is? ww 8092 12V Select one a. 24.26 mA b. 13.09 mA c. 58.23 mA d. 40.13 mA 40-52 ww 3092 ID3. Find no and Po, and locate the Fermi level. Draw the energy band diagram. a. b. Silicon is doped with ND = 2 × 1016 cm³. A new batch of silicon is doped with boron to NA = 8 × 1014 cm³.Calculate Fermi Function in the following scenarios: Energy level at positive infinity
- What voltage is boosted at the output of a multiplier.Choices: average, rms, peak, or instantaneous Which assumption is not used in the analysis of multipliers?Choices: a capacitor will not discharge, start with the cycle of the source that will forward bias the nearest diode, the output will always be multiplied, or a single diode is forward biased at a time A voltage multiplierChoices: multiplies the output voltage, has very high voltage and low current ,can employ inductors, or may not have equal numbers of diodes and capacitors A voltage regulator maintains constant voltage at the load regardless of variations atChoices: the input and output, the load, source, or in the environment Between a lower percent regulation and a higher one, which is better?Choices: lower or higherA clipper circuit based on diodes are simple way to modify waveform in mechatronics. Assume that the two diodes shown in the circuit below are ideal diodes. If the input voltage in the circuit is a 1 kHz sinusoid with peak amplitude of 8V, sketch the Va.. (t) 10 kO 8V 10 kO Vin Vin(t) D2 Vout(t) RL Ims D1 6V -8V 4V Page | 1Which of the following is not a practical type of inductor? O a. SMD Chip Inductor O b. AM Radio Antenna O c. Curie Temperature O d. Toroidal Core Inductor
- Half-wave 50Hz sinusoidal uncontrolled rectifier circuit with a peak voltage value of 100V and a source inductance of 8mH is feeding a highly inductive load of 8A. The average value of the output voltage and power delivered are, respectively and what is the communication angle (u) Power Electronics1. 1-5 K 30v a. what is tue T CTime constant) ? b. How long will it take for the capacutor TO rtach s0% op charge? C. What is tne voltage of capa citor apter 1 seconds? d. How many tíme constants will it take for the soltage to reach 23 v? C. Gweng that the capacitor is fully changed, how will it take por it to be 20% ? long 120v + BF what is the. T ? b. what is the voltage capacitor apter 10 sec? a. C. How many time constants will it take for Tue Vo Itage to reach 80 v.? d. Given that the capaator is Fully charged, how time constants will it be to reau many GOV!AC 15. What would the equivalent resistance be of a 159 uF capacitor? 16. What is the RMS voltage of a circuit if the peak voltage is 170 volts? 17. If the RMS voltage is 240 volts AC, what is the peak voltage? 18. What is the formula for finding an inductors equivalent resistance? 19. What is the equivalent resistance of an inductor with 0.17 henrys? 20. What is the symbol of an AC power source? 21. What is the equivalent inductance of a parallel circuit with a 0.01L, 0.02L, and 1.7L inductor? 22. What is the equivalent inductance of a series circuit with a 0.03L, 0.04L, and 1.6L inductor? 23. A transformer with a primary voltage of 480 volts and a turns ratio of 2:1 will have what secondary voltage? 24. A Power Network is comprised of what three components? 25. What is the main difference between a fuse and a circuit breaker?
- For a sinusoidal input of 40 V (p-p) to the given circuit, what is the minimum value of the output waveform? NOTE: use ideal * diode 0.7 30 20 -5 -40 K 16Full-wave rectified sine wave circuit is used to measure the RMS value of a half square wave with the help of PMMC meter. The meter was actually calibrated for sine wave. The circuit uses a meter movement with a full scale deflection current of 200uA and internal meter resistance of 5kΩ. Assuming Non-ideal diodes having resistance 1kΩ, Analyze the circuit to determine the value of series multiplier resister and the corrected RMS voltage, if meter is to read 225V RMS full-scale.For a sinusoidal input of 40 V (p-p) to the given circuit, what is the minimum value of the output waveform? NOTE: use ideal diode * 0.7 30 O 20 O -5 O -40