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- ad sM vunM lo livsbil A laisibul Question 3 Engineers and scientists often use eneray band diagrams to graphically illustrate ihe energy levels of electrons in different substances. Electrons are shown ds Conduction band Some metals Valence band (untiled Conduction band Other metals Overlap Valence band Energy gap Conauction band Semiconductors (intrinsic) Valence band Energy gap Conduction band alori-noitbelo Insulators Valence band solid dots: Based on these diagrams, answer the following questions: Which type of material is the best conductor of electricity, and why? 2 Which type of material is the worst conductor of electricity, and why? Question 4Q: - Consider the circuit in Figure a) What type of circuit is this? b) Find and Sketch the voltage waveform across RL, assume the diodes are practical. 4:1 D, 120 V rms c) If sin wave with 100µf connected in parallel with the resistor, calculate the ripple сарacitor is 60 HZ 1.0 kN D2 factor lllee lelllAN Sesli oku 1-In the circuit designed to measure the effective value of the sinusoidal voltage at the input, diodes are considered ideal. M deflection is a measuring element with rotating coil. Rm32k İm-(10)^-4 A. A- Draw the waveform of the current flowing through M on a scale. Determine the resistance value of R1 so that the nominal voltage value of V-m is 100V. B-What should the tolerances of the resistors be so that the Vm class is at most 1.5? (resistors have the same tolerances) ult) R2 本 R3 20k 18k R4 k: k2 10k
- Calulate the Condurtwity of pure filiain at when the cCencentratron temperature Cormes is a room 1-6x10" Volt fe ad per Cm3 Take Ue=l1500 cm? per pvolt-Jee at =500 cm tempuature.YEN A docs google.com/presentalionvu/109aRdVPOGDKPIlowJ800-G gwlgdTPyTSE OLaSFDGy/edit A Classes Aplitude Questiors. O www.tce.edu I IVIVA a AMAZON E FUPKART SkiRack.com How to pass a 2D a. G operi ended behavi. E Rectifying Diodes. * NASSCOM FutureS.. I VIRTUAL ELECTRON. 白 Q1 For the op-amp circuit shown below V is approximately equal to 10 V 105 0 95 2 1 ΜΩ 100 kN 上 100 k2 95 2 105 N 1 M2Each subsatnce absorbs or emit unoque level & quantities of energy/ e.m.r.. True False
- 1. 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!Question 13 Not yet answered Marked out of 1.00 P Flag question Which of the following ratings (PIV- Peak Inverse Voltage and temperature) is true? Si diodes have lower PIV and narrower temperature ranges than Ge diodes. Si diodes have lower PIV and wider temperature ranges than Ge diodes. Si diodes have higher PIV and wider temperature ranges than Ge diodes. Si diodes have higher PIV and narrower temperature ranges than Ge diodes.as ap q1a