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- why is proper illumination design in our home is important? Kindly explain. short explanation would doWhat is the importance of a lighting system to any structure? and Make a brief comparison of different artificial light sources.a) Determine total admittance and impedance. b) Draw admittance diagram and impedance diagram. c) Determine the values of C and L. d) Determine the voltage ?? ⃗ and the currents ?? (Se image ! last task)
- 2. A facility manager replaces all the TS lights in an office when they have reached 80% of their rated life of 20,000 hours. The lights operate for 12 hours each day, 5 days per week for 52 weeks of the year. What is the group re-lamping interval for these lights? a. 3.7 years b. 4.6 years c. 5.1 years d. 6.4 yearsList and describe the different types of lighting classes available on the market. Discuss the different types of lights available for these classifications, say 5 key types of light bulb/ fitting per class. In addition, what types of lighting would be used in long car tunnels in comparison to a set of offices, or even streetlights? What factors would dictate the type of light used in each scenario? For the lights you think are most suitable for a tunnel and streetlight, discuss the construction of such lights and what materials need to be considered to make them suitable for their intended use.Write the complete specifications of Ceiling Rose.
- A three-way bulb works with a switch that has settings for off, low, medium, and high. What mod system would be a model for this?A computer's power supply converts mains AC to low-voltage regulated DC power for the internal components of a computer. You are building a new computer. You are deciding which type of power supply to install. Which of the following definitions BEST describes a valid type of power supply? Correct Answer: A single-rail power supply provides one rail (PCB trace). This provides the best safety for the computer by providing a single point of shutdown in the event of a short circuit. Correct Answer: A single-rail power supply provides one rail (PCB trace) used to always provide equal wattage to all devices attached to the power supply. Correct Answer: A dual-rail power supply provides separate rails (PCB traces) used to provide equal wattage to the devices attached to each rail. Correct Answer: A dual-rail power supply provides separate rails (PCB traces) used to balance the power load between multiple circuits, which prevents any one circuit from becoming overloaded.Superposition Method. Determine the voltages at the 5-ohm resistor due to the 24-Volt, 38-Volt and 4-Ampere Sources. Also, what is the total voltage at the said resistor? Remember: Voltage sources are shorted and current sources are opened (removed) during individual source analysis.
- Suppose the current in this circuit is I = -35 A. The voltage drop across each circuit element is as given in the table below. From this information, determine, for each of these circuit elements, (i) whether an active or passive sign convention is being used for that element, (ii) whether that element is absorbing or producing a net (positive) amount of electrical power. In each answer box within the table below, type the correct choice from among the bold-faced words above. - A A B C A + с B + V₂ Circuit element Voltage drop Sign convention? Absorbing or producing net electrical power? -5 V -6 V 1 V -Question 5 - Power Network, Frequency & Connected Load a) In the UK and many other countries, there are legal requirements to maintain voltage and frequency within permitted tolerances. Explain why it is important to keep the electrical system within these tolerances.Provide brief answer only. Define a fixed DC source alomg with it's symbol and applications.