EvolutionaryApplicationsActivityFreeResponse copy

i) ii) iii) Vs = = sinwt Vs = sinot 2. Ls m Ls m D₁ D₂ + VD L m Io {R Fig. Q1 Sketch the waveform for vp if Ls = 0. Derive the load regulation characteristic of the rectifier circuit, i.e. the relationship for v as a function of V, Io, and X, where X is the reactance of Ls. Sketch and annotate the load regulation curve, i.e. the curve vp = f(10), for the circuit.

please, don't provide handwriting solution

a) = ? b) ₁₁ = ? Problem 8: (8 Points, 2 points each) Derive the current equations for the circuit shown below, using the labels as shown. Note that r₂ here is a model of the parasitic imperfection of the Zener diode, as discussed in Lecture 30. c) Iz = ? d) What impact does г, have on V₁? R₁ www I Vz VPS www RL VL

Problem #2 - Diode - CV Model RI Vx a) Using the CV model, make a LARGE sketch of VX as a function of VA in the range: 0< VA. Find expressions for VX as a D、立 Dz function of VA. (Hint: there are 3 regions of interest! - be sure to label the transition points.) VA R D3 b) Using the CV model, make a LARGE sketch of I as a function of VA in the range: 0< VA. Find expressions for I as a function of VA. (Hint: there are 3 regions of interest! – be sure to label the transition points.)

A) What is an emf of self-induction? a) when there is an induced emf in a circuit due to a change of current in the circuit itself b) when there is an induced emf in a circuit due to a change of current in an adjacent circuit (one within magnetic reach) B) Under what conditions of current flow is a self-induced ernf produced? a) whenever the circuit is energized b) whenever the circuit is de-energized c) whenever the amount of current flow in the circuit varies d) all of the above C) What is the direction of a self-induced emf in relation to any change in current? a) the same direction as the current flow that caused it b) the opposite direction as the current flow that caused it c) may be either "a" or "b" d) neither "a" nor "b" D). In an inductive circuit, does the inductance have any effect on the flow of a steady current? a) yes b) no

2. The action potential of cardiac myocyte is different from that of neuron cells. Please sketch the action potential of cardiac myocyte and explain what causes these differences. (make sure you cover the role of calcium ions in this process)

CHARACTERISTICS OF MEASUREMENT SYSTEM ELEMENTS Problems 2.1 The e.m.f. at a thermocouple junction is 645 µV at the steam point, 3375 uV at the zinc point and 9149 µV at the silver point. Given that the e.m.f.-temperature relationship is of the form E(T) = a,T + a,T² + a;T³ (T in °C), find a,, az and az.

An electronic device designed to operate at any temperature in the range from −15.0°C to 40.0°C contains pure carbon resistors. By what percentage does their resistance change over this range?

uO 9:.0 A docs.google.com * ZAIN IQ l. Q2: Solve ONLY FOR TWO of the :following questions Q2/B: A full-wave bridge rectifier shown in Fig.1 with a 120-V rms sinusoidal input has a load resistor of 1 k. a) If silicon diodes are employed, what is the dc voltage available at the load? b) Determine the required PIV rating of each diode. c) Find the maximum current through each diode during conduction. d) What is the required power rating of each ?diode 100 V Idcal diodes 2.2 ka -100 V إضافة ملف

1. What is meant by difference in potential? Show that it is possible for two or more emf's to exist within a circuit without there being any difference of potential between the circuit terminals. 2. If the assumed direction of a current in a network is in error, how is this fact indicated in the result?

Need help please. Explanation would be helpful.

TIC CHARACTERISTICS OF MEASUREMENT SYSTEM ELEMENTS Problems 2.1 The e.m.f. at a thermocouple junction is 645 µV at the steam point, 3375 uV at the zinc point and 9149 µV at the silver point. Given that the e.m.f.-temperature relationship is of the form E(T) = a,T+ a,T + a,T' (T in °C), find a,, a, and a;. 2.2 The resistance R(0) of a thermistor at temperature 0K is given by R(0) = a exp(Bie). Given that the resistance at the ice point (0 = 273.15 K) is 9.00 k2 and the resistance at the steam point is 0.50 k2, find the resistance at 25 °C. 2.3 A displacement sensor has an input range of 0.0 to 3.0 cm and a standard supply voltage V = 0.5 volts. Using the calibration results given in the table, estimate: (а) The maximum non-linearity as a percentage of f.s.d. (b) The constants K, Ky associated with supply voltage variations. (c) The slope K of the ideal straight line. Displacement x cm Output voltage millivolts (V, = 0.5) Output voltage millivolts (V, = 0.6) 0.0 0.5 1.0 1.5 2.0 2.5 3.0…

3. A half-wave rectifier with a 200 load resistor operates from a 120 Vrms 60 Hz household supply current through a 6-to-1 step-down transformer. It uses a silicon diode that can be modelled as having a Vƒ = 0.9 V drop for any current. > vs(t) VL (t) www RL (a) What is the peak voltage, US,peak, of the secondary? What is the peak voltage, UL,peak of the rectified output? (b) For what fraction of the cycle (in percentage) does the diode conduct? (c) What is the average output voltage, V₁? (d) What is the average output current, IL? (e) What size of capacitor should you add across the output to provide a peak-to-peak ripple voltage, Vr, of 10% of the peak output?

3. A catheter-sensor system for invasive pressure measurements has a catheter with a length of 1 m and a diameter of 2.5 mm. The catheter is filled with water at 20 °C, with viscosity n = 0.001 Pa.s and density p = 10° kg/m². The diaphragm elasticity Ed equals 0.5x105 N/m³. a. Draw the simplified electrical model of the pressure measurement set-up that includes the catheter and the diaphragm and determine the transfer function of the pressure measurement system. b. Compute the natural frequency and damping ratio of this system. c. The current system has a damping ratio that is far from optimal. Suppose you are pinching the catheter for a small length Ix so that the catheter diameter reduces to 0.2mm. Assuming the pinch to affect the resistance only, determine the length Ix such that an optimal damping ratio 5 = 0.7 is obtained. d. Suppose that the assumption of purely resistive effects of the pinch cannot be made. Discuss (without calculations) the consequences on the derivation of Ix.…

Q2) A. A three phase half wave controlled rectifier shown in fig (1) with a delay angle a, the input voltages are specified as va=100 cos(wt), v = 100 cos(wt + 120°), vc = 100cos (wt-120°) 1) Draw the average output voltage for a = 0°,30° and 60°. 2) Draw the la, land i, for each a 3) Calculate the average output voltage for each a n Va Vs Th, * Thz D Th3 R لے E Load

Don't provide AI solution otherwise I give lot of dislikes