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Question 1 [15] The H-circuit shown below is supposed to control the motion of a DC...
Problem (5): Design the power and relay control circuit to start DC motor as following: 1) Start by pressing start pushbutton and stop by pressing stop pushbutton. Start work with inserting resistance Rland (2 R2. After five seconds from starting we put Ri out of function and after 10 seconds from .starting we put R2 out of function
Problem No. 1 For the circuit shown below: (a) Turn off the AC source and find the current and voltages of the diodes. State which one is on or off. (b) Turn off the dc sources and draw the small signal equivalent circuit and find voli "Sov OVO D D2 KSR For the circuit given below, +10 V 1. Find the input resistance 2. Find the output resistance. 3. State the type of the amplifier (CE,CB,CC) Ca → WA Rs...
Question 1 Please show all steps and explanations For the circuit shown below, calculate the DC voltages at the collectors of Q and Q2 and the small signal voltage gain PeAlso calculate Rin and Rout s 10V and VEE-10V Vini 5K 5K 60K 0.1uF 0.1uF VouT 10K 1K 絮影 Question 1 Please show all steps and explanations For the circuit shown below, calculate the DC voltages at the collectors of Q and Q2 and the small signal voltage gain PeAlso...
Problem 1) [15 marks] The gain of the dual-op-axap instrumentation amplifier shown in Fig. 1 can be adjusted by the variable resistor Ro. The op-amps are ideal. atu Fig. 1 a)Show that v.-2(1 RG )(v2-v.). b Specify suitable components to have a variable gain from 10 to 100 V/V. Problem 2) [15 marks] a) Design an op-amp limiter circuit for amplitude control with the transfer characteristic of Fig. 2(a). Use +-15V DC sources to power the circuit. Assume Vo-0.7 V...
QUESTIONS Question-3: Draw "speed vs. torque" curve using data in Table-1. The completed graph represents the speed vs. torque characteristics of a typical DC shunt-wound motor. Terax Question-4: Calculate the speed regulation (full load - 12 lbf.in) using the equation: 2-143) 143 (no load Regulation (full load speed) Speed regulation- % Part-II - Motor Efficiency Calculation: Set the dynamometer control knob at its full CW position (to provide the maximum starting load for the shunt-wound motor). Turn on the power...
Q1. You are given a 12 V DC power supply. You are expected to develop a voltage divider to achieve a voltage of nominal 5V value using a pair of resistors from the E 12 range, with the restrition that you are not expected to draw a current of more than 1 mA from the 12 V DC supply i. Develop a simple circuit showing the possible values for each resistor pair, and the range of the DC output possible...
QUESTION 1 In the circuit shown below a three-phase, three-wire, Y-connected power system is driving a A-connected load. The generator line-to-line voltages are 150 V. The impedance of each phase of the load consists of a 6- resistance and a 8-inductive reactance. Determine the magnitude of the line current IA (in A). (Enter your answer as a decimal number without the units.) 3a, 3 wire Y-winacted generator Pane e ABC B! 150 V20
EperimentDC Faraliel circuits and AC Series circuits Set up the circuit shown below: use 1 voltmeter, 3 ammeters, 3 resistance boxes and a DC power calculations않사 -R3-2000; calculate the expected current li". (show calculations) @ Observed current ll = Percent difference 8,02 23 ㄋ Data Set R1 = 200 Ω. Record: the currents Ii, la, Ib for the R-values in the tableRk Calculate and record: (l2+13), I/12, and Ro/R3. Compare the values in the last 2 columns. Are they equal?...
DC-AC inverters have many commercial and residential applications, including uninterruptible power supply (UPS) units, adjustable speed drives (ASD) for AC motors, and electronic frequency changer circuits. They are also used in solar electrical systems where batteries are charged from solar panels and used as the input DC voltage source. The inverter circuit converts the DC into AC voltage of desired frequency. Most of us are also familiar with HVDC transmission systems, where high voltages are first converted from AC to...
Problem I-B Circuit shown below in Fig. 1-B is used to heat water (of 5000 American gallon) illustrated. A DC voltage source of 120 volts is used to energize three heating elements, each of value (3R) ohm. It is observed that the temperature of the water changes from 100° F to 200° F over a time period of 1.5 hours. Calculate as (i) Total current supplied by the de source at 100°F (Ans: 12.47 A) Resistance value (R in ohm)...