LAB 4

please solve asap.

9. The intermediate lead wire has no influence on the thermocouple resulting voltage as long as the two new junctions has the same temperature. o True o False 10. An ultrasonic sensor with a range of 0 to 10 m is used to measure distance in mobile robot, the actual distance measured by a ruler is 7.2 m while the ultrasonic reading is 7.25 m. Calculate the accuracy and relative error of the sensor.

2. An AC voltmeter uses a bridge rectifier with silicon diodes and a PMMC instrument with FSD = 75 µA. If the meter coil resistance is 900 Q and the multiplier resistor is 708 k2, calculate the applied rms voltmeter when the voltmeter indicates FSD.

Can you solve this? thanks

03 Determine operation point of the BJT in figure shown below. Assume B = 200. Rc 330 N RB Vcc 20 V 47 kN VBB 10 V Pie 1slami Cncersity The

a) Derive the mathematical model of a thermal system. Also, write the differential equation for the electric circuit shown in Figure 1 below and find the output. E₁ R₁ M P FR₂ Figure 1 R3 E0 ↓

In a phase controlled full wave rectifier, the source voltage is 50 VRMS sinusoidal, the source frequency is 60 Hz and the load is 20 ohms. Since the delay angle in the circuit is 20 °, which of the following is the value of the RMS load voltage? a) 99.54 V   b) 49.77 V   c) 70.38 V   d) 35.19 V   e) 23.46 V

(a) Draw the state transition table and the state diagram for the circuit shown in Figure Q1(a). Is this a Moore or Mealy machine? Please justify your answer. JA QA X Yo Y₁ ΚΑ QA' H €1 JB QB KB QB¹ Yo Clock Figure Q1(a)

Question 1. A galvanometer has a current sensitivity of 1uA/mm and a critical damping resistance of 1 k. Calculate: (a) the voltage sensitivity and (b) the megohm sensitivity.

Define and describe the various circuit stages required to design a DC power supply(specifically, explain the required circuit stages of the empty boxes as shown below). Your answershould include names of the circuit stages, a schematic of an appropriate circuit to accomplisheach stage (no need to define values), and a short description of each circuit stage.

Electrical Engineering _ Power Electronics Notes: pls try to answer in less than 30 min.

Weel X *Wee X Tuto X PEE "Tutc X P "Topi X Topic X PDF PE Mod X PBF 201 ktop/insturmation/Acad%20Form%2012-Final%20Exam-ELEC2113-2018-2019.pdf CD Page view A Read aloud T Add text V Draw Highlig (a) A temperature of industrial oven measured for 5 times. The temperature value recorded in table Q1(a), table Q1(a), Reading Temperature ( °C) Number 121.9 2 122 3 120.9 4 122.5 121.3 Calculate the precision of the third value. (b) Low Pass Filter circuit consisting of a resistor of 470 in series with a capacitor of 0.22uF connected across a 25V sinusoidal supply. (i) Calculate the filter cut off frequency. (ii) Calculate the output voltage at a frequency of 5000HZ. 42

1. The full-wave controlled bridge rectifier shown has an ac input of 120 Vrms at 60 Hz and a 52 load resistor. The delay angle is 30°. Determine the average current in the load, the power absorbed by the load and the source voltamperes. V₁ I sin cor H www + Vo

Please solve for following based on attached circuit: average laod current RMS load current average load power absorbed apparent source power

3 Strain gauge is a... a- Active device and converts mechanical displacement into a change of resistance. b- Passive device and converts electrical displacement into a change of resistance. c-Passive device and converts mechanical displacement into a change of resistance. d-Active device and converts electrical displacement into a change of resistance.

9. Which of the following equation represents mass semiconductors in electronic circuits? action law for 2 a) n xp = n₁² b) n x p = n₁ c) n xp = n³ 3 d) n xp = n₁¹/²

1 What is the standard Deviation ? Describe a scenario in which you would use each by given an example in electrical measurement and instrumentation?   2.What is the population standard deviaion ?Describe a scenario in which you would use each by given an example in electrical measurement and instrumentation ?   3. How do the statistics calculated using engineering and IT tools compare?  And the statistics that are calculated by hand?     4.What is the importance of modern engineering and information technology in measurement and testingElectrical devices؟

A voltage regulator is a device that: Maintains a fixed DC voltage. O Maintains a fixed AC voltage. O Maintains a fixed DC current. O Maintains a fixed AC current.

Q/3/A three phase controlled bridge rectifier is operated from a three phase Y- connected to a 250V, 50HZ supply. The rectifier is suppling a pure resistive load R=2002. Determine i) The required firing angle if average output voltage is 35% of the maximum output voltage ii)the average and r.m.s values of the load current ? iii) The average and r.m.s values of thyristor current

1. A certain full-wave rectifier has a peak output voltage of 30V. A 50 mF capacitor filter is connected to the rectifier. Calculate the RMS ripple developed across a 600 W load resistance 2. It is a process of allowing electric current to flow only in one direction that is changing A.C in to D.C.

Write a conclusion to the measured values from the 3 different rectifier circuit.

Provide a complete solution 1.) A full-wave rectifier (operating from a 60-Hz supply) drives a capacitor-filter circuit (C = 100 uF), which develops 12 V dc when connected to a 2.5-kiloOhms  load. Calculate the output voltage ripple. (answer= 0.12 V rms) 2.)A full-wave rectifier operating from the 60-Hz ac supply produces a 20-V peak rectified voltage. If a 200-uF capacitor is used, calculate the ripple at a load of 120mA

A Stereo uses a 12 V DC power supply. At full volume, a maximum current of 1.4 A is drawn from the power supply. At minimum volume, the current drops to 200 mA. (a) You can simply consider the stereo as the load resistor RL. Calculate the range of R₁ at full volume and minimum volume. (b) Design a full-wave rectifier power supply using a 9.52:1 transformer. Assume that the outlet is 120 Vrms @ 60 Hz. Further assume that the diode turn-on voltage VD(on) is 0.7 V. Pick the value of C₁ such that vo has a maximum ripple of 1 Vp-p. Solve for the average value of v. = V. (note that this may be greater than 12 V) and iD(ave) = ID. (c) Add a series resistor to the secondary to limit the maximum surge current to 10 A if the secondary winding resistance of the transformer is 0.4 ohm. (d) Using PSPICE (with Is = 1 nA and n = 1.3 for the diodes), perform a transient simulation (.tran) and plot vo and Io(surge) for your max. and min. values of R₁. Make sure your transient simulation is long enough…

Design  a +40 volt dc  power supply for your sound system.  Your sound system requires  a 400 watt capability.     The power supply is energized from a three-wire 110 Vrms  60 Hz power line that meets the National Electric Code (NEC).  The system  block diagram and design specifications  are given below.    Input is a 110 Vrms60 Hz. Output voltage is 40 volts, unregulated. Maximum allowable ripple is 2% Use a full-wave bridge rectifier. Use a transformer Assume diodes with VF= 0.7  volts   Your design should include: Ø Well-labeled circuit diagram of what goes in the “Your Design” box.  There should be enough detail such that someone could build an operational  prototype.  Polarities of key components are important Ø Key design equations and supporting calculations.  Show your work! Ø Component specifications including: (a)            Transformer-turns ratio (b)           Effective value of the audio system load resistor (speaker impedance)  and load current for a 400 watt, 40 volt…

IZVV @ ZAIN IQ I. A docs.google.com (2) ¿ELii An 8V, 400 mA DC motor with a microcontroller. The microcontroller has output pins with 3.3V, 8mA rating. Current gain of the Darlington pair is :100. Then the circuit will LaunchPad +8. Vbus DC motor :R IN914 Gnd PFO TIP120 emf PF4 Rp PAS M 1 ko Not working properly O Motor will turned on properly O Microcontroller will be damaged O Working properly W-0000-

I need the answer as soon as possible

Electrical Engineering _ Power Electronics Notes: pls try to answer in less than 30 min.