Justice Avante-Noble sci103 Unit_4_Lab_Report

What causes the normal heating in electronic devices? Not things that cause an anormal disfunction like dust or something else, but the one thing that by default creates normal heat in a system. I mean the actual part of the device which creates that heat.

Current in a wire with open ends. Which of the following types of current can flow through a straight metallic wire of finite length (wire with open ends)? (A) Time-invariant current. (B) Slowly time-varying current. (C) Rapidly time-varying current. (D) Any time-varying current. (E) Any current. (F) None of the above.

1)For a new construction, a concrete-encased electrode is always required to be used in the grounding electrode system. a) True b) False  2)Soil resistivity is measured to determine the type of soil conditions, the corrosive effects in the soil, and the gest type of grounding electrode system to install. a) Trueb) False

As an electrical and electronic engineer, your manager has asked you to write a report for the attention of new employees, listing and describing the operation of safety devices that are commonly found offices and other industrial situations. The report should include all of the details in the task below.     Task   For the following application, list two electrical safety devices that can be used, and describe their operation:A Star delta starting induction motors

9. The amount of current that will operate an overcurrent protective device is inversely proportional toA. resistance.B. voltage.C. time.D. capacitance.

Which of the following statements is correct regarding the efficacy and use of incandescent lamps compared to fluorescent, HID, and LED sources? select all that applies   a. Incandescent lamps are generally considered superior to fluorescent, HID, and LED sources in terms of color rendering and color preference. b. Incandescent lamps are typically more energy-efficient than fluorescent, HID, and LED sources. c. Incandescent lamps require about five times as much electrical power as fluorescent, HID, or LED sources to produce the same level of illumination. d. Incandescent lamps are often chosen for applications where energy efficiency is the primary concern. e. Incandescent lamps are generally preferred for their high efficacy of 80 to 120 lumens per watt.

Please give me carrect answer with proper exploration.

Question 1a Which is necessary for electrons to flow from the negatively charged portion of the solar panel to the positively charged portion of the panel? Pick one answer and explain why. A) permit B) circuit C) diode D) charge controller   Question 1b. Which of the following is not a factor that affects how much power a solar panel will produce? Pick one answer and explain. A) the size of the panel B) the reflective coating on the panel C) the air temperature D) the relative humidity   Question 1c. Which of the following is the rating on a solar panel that indicates the theoretical maximum voltage a panel can produce when measured under standard test conditions? Pick one answer and explain why. A) maximum power (Pmax) B) maximum power voltage (Vmp) C) open circuit voltage (Voc) D) short circuit voltage (Isc)

With the aid of well labeled diagrams, explain the principle of operation of: a. a pyranometer. b. a wind turbine, from resource to electrical power

I need the answer as soon as possible

Ohm's Law states that the electric current flowing though a ________ is directly proportional to the ________. Select one: a. closed circuit --- total resistance b. closed circuit --- switch resistance c. open circuit --- supply voltage d. closed circuit --- supply voltage

Centennial College - School of Engineering Technology - Toronto ELECTRONICS SHOP PRACTICES CHAPTER 7: SOLDERING TECHNIQUES 7,5 QUESTIONS 1. Which tools will you need for soldering? 2. What type of solder do we call the Eutectic Solder? 3. If the temperature is too high, the is bellow required, the solder joint will appear cold and silvery and will be of the contact may occur and circuit will not work. If the 4. A long and sharp will be of little use when soldering wires or 5. The iron should have a tip to prevent and should have a wattage rating of to Watts. 6. When soldering, apply heat solder will to both, the component lead and much more readily over the copper pad so that the 7. Keep the soldering iron tip and working surfaces wipe only before using and immediately. 8. Do not solder from a heated tip before off the iron. alternate applying the surface. 9. If tips become and wiping to being used. 10. Periodically. the tip from your tool and with a suitable cleaner for your skills.…