What is tungsten,CFL,led bulb... Which one save electricity and why ?
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- A-How temperature affects the conductivity of conductive metals and how it affects semiconductors.semiconductors B-What is superconductivity, how does it relate to temperature? Some examples of superconductors.superconductors.The effective voltage of alternating current is __________ times its highest or peak voltage. Select one: A. .9 B. .707 C. 100% D. E=IXR(03) AC Diode circuits. (Course: Electronic Devices and Circuit Theory) -Redraw the circuit, Assume diodes are off and Redraw, Apply KVL. -You can add //comments for a better understanding. -Please answer without abbreviation. -Make it clean and clear typing/writing. Thank you.
- Q1\ Explain in detail the effect of applying a voltage source on a pure semiconductor and dopped semiconductor. Explain with the help of drawing how these types are employed to conduct the charges. 02)A JFET is a driven device .... ... Select one: a. none of the above b. both current and voltage C. current d. voltageElectrical Engineering. What is the disadvantages of fuse in electric circuit.
- 1. The reverse bias diodes a. D1 only b. D2 only c. Everything d. None 2. The close circuit is a. R1 and D1 side only b. R2 and D2 side only c. Everything d. Nonea sample copper wire has a resistance of 50 ohms at 10°C . what is the maximum operating temperature if the resistance of the wire is to increase by at most 10 percent? a at 10°C is 0.00409 per °C44. What type of electrical component has this a graph for its IV curve? And which Letter marks its forward conduction turn on point. E A
- Shackle type insulators are used for voltage in the order of ....................... Complete the answer1- A). Which of the following could be used as a discharge device in an inductive AC circuit? a) resistor b) diode c) metal oxide varistor d) "a" and "c", not "b" B. What is the purpose of a discharge device used in conjunction with opening a highly inductive circuit? a) to minimize the possibility of damage to the circuits insulation as a result of a high induced voltage b) to minimize the possibility of endangering the life of the person opening the controlling switch c) to allow the magnetic field to gradually collapse, thus limiting the value of the self-induced ernf d) all of the above C. The high voltage induced by an inductor when its circuit is opened could be used constructively for a) an automotive ignition system b) an electric fence c) both "a" and "b" d) neither "a" nor "b"Q11. What is LED?