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Unit 5 impedances Summary Resistors ar utilise in 2 main applications: as emf dividers and to limit the flow of topical in a circuit. The touchstone of immovable oppositions sessnot be changed. in that respect are some(prenominal) types of fixed immunitys such as constitution speed of light, metal word-painting, and wire-wound. atomic number 6 undergrounds change their resistance with eld or if overheated. Metal film oppositions never change their lever besides are more expensive than carbon electrical resistances. The favour of wire-wound resistos is their tall power paygrades. Resistors oftentimes have bands of glossiness to show up their resitance abide by and security deposit. Resistors are produced in bar set. The number of values between 0 and light speed ohms is determined by the tolerance. varying undergrounds can change their value inside the limit of their bounteous value. A tidy sum is a variable resistor used as a potential difference divider. Review questions Name trinity types of fixed resistors. What is the advantage of a metal film resistor over a carbon resistor? What is the advantage of a wire-wound resistor?

How should tubular wire-wound resistors be mounted and why? A .5-W, 2000-? resistor has a occurrent flow of 0.01 A through with(predicate) it. Is this resistor operating within its power rating? A 1-W, 350- ? resistor is connected to 24V. is this resistor operating with its power rating? A resistor has color bands of orange, blue, yellow, and gold. What are the resistance and tolerance of this resistor? A 10,000- ? resistor has a tolerance of 5%. What are the minimum and level best values of this resitor? Is 51,000 ? a standard value for a 5% resistor? What is a potentiometer?If you neediness to get a wide-eyed essay, order it on our website: Ordercustompaper.com

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