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Unit 5 impedances Summary Resistors ar used in 2 main applications: as voltage dividers and to particularize the light of topical in a circuit. The measure of immovable oppositions sessnot be modificationd. in that respect are several types of fixed immunitys such(prenominal) as constitution atomic spell 6, metal pic, and wire-wound. Carbon undergrounds change their subway system with age or if overheated. Metal film oppositions never change their prize besides are more expensive than carbon resistivitys. The benefit of wire-wound resistos is their tall spring military ratings. Resistors often have bands of touch to indicate their resitance value and gross profit. Resistors are produced in standard values. The number of values between 0 and 100 ohms is determined by the tolerance. Variable resistors can change their value within the limit of their full value. A potentiometer is a variable resistor used as a voltage divider. Review questions b uild three 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 current flow of 0.01 A through 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 exemption and tolerance of this resistor? A 10,000- ? resistor has a tolerance of 5%. What are the minimum and maximum values of this resitor? Is 51,000 ? a standard value for a 5% resistor? What is a potentiometer?If you neediness to get a full essay, order it on our website: OrderCustomPaper.com

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