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- If the charging resistor was twice as large as the discharging resistor in Figure 4, theamplitudes of the charging and discharging waveforms would be ________.a. The sameb. DifferentMost residential general lighting circuits are wired with 14-AWG copper conductors and are protected by 15-amp circuit breakers. However, there are many electricians who install 12-AWG copper conductors and protect them with 20-amp circuit breakers. How will you know which conductor size and which circuit breaker size will be used for the general lighting branch circuits in the house you are wiring?7.a. What size diameter is a T-12 fluorescent lamp?A. 6 inchesB. ½ inchC. 3 inchesD. 1½ inches7.b. Which of the following is not a brand name of a high-pressure sodium lamp?A. Multi Vapor.B. Ceramalux"C. Lucalox.D. Lumalux.7.c. Which of the following is not a characteristic of an HID arc tube?A. Contains a gasB. Usually made of copperC. Operates at very high pressureD. Operates at very high temperatures
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- elearning.adpoly.ac.ae * Question Completion Status: QUESTION 56 E-05, PC-02. What are the factors affecting the capacitance of capacitor. O Area of plates and Dielectric media. O Area of plates only. O Area of plate, dielectric and distance between plates. QUESTION 57 E-2, PC-2. The device that converts light into electrical energy by producing a voltage is called O photon O light-emitting diode O photo cell light generator QUESTION 58 E-05, PC-04. What is time constant for fully discharge of the capacitor? O1 TC O 3 TC. O 5 TC QUESTION 59 F-05. PC-03. Two capacitors 100uF and 100uE are connected in parallel, What is the total capacitance? Click Save and Submit to save and submit. Click Save All Answers to save all answers.What color fluorescent lamps recommended for residential installation1.a. Which of the following best describes the arc tube for a high-pressure sodium lamp?A. Long and slenderB. Short and wideC. Short and slenderD. Long and wide1.b. The most common electrical contact for a standard tubular T12 fluorescent lamp is called aA. medium skirted base.B. mogul base.C. medium BiPin base.D. 4-pin base.1.c. The two main categories of discharge lamps areA. mercury and high-intensity discharge.B. fluorescent and high-intensity discharge.C. mercury and metal halide.D. fluorescent and incandescent.
- B.a. The metal halide lamp is designed for a specific operating position. Which one of the following is not an acceptable operating position?A. HorizontalB. A 45 degree tiltC. Vertical base upD. Vertical base downB.b. SP35 is part of the fluorescent lamp ordering code. It means that the lamp has a color temperature ofA. 35°KB. 35°FC. 350°FD. 3500°KB.c. A typical application for a compact fluorescent lamp would be in a(n)A. industrial fixture of a warehouse.B. 15-foot high ceiling of a hotel.C. recessed downlight of a kitchen.D. parking lot fixture.16.a. The four types of screw bases that are available for general-service lamps areA. mogul, small, candelabra, and medium.B. mogul, medium, intermediate, and candelabra.C. mogul, medium, intermediate, and small.D. large, small, medium, and candelabra.16.b. Which of the following is a filling gas that's used in tungsten-halogen lamps?A. KryptonB. NitrogenC. BromineD. Argon16.c. Which of the following methods is used to obtain colored light from a filament lamp?A. DivisibleB. MultiplicativeC. SubtractiveD. AdditivePlease choose the right answer Electromagnetic