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Unit 5 impedances Summary Resistors ar used in 2 main applications: as voltage dividers and to square up the coalesce of topical in a circuit. The measure of immovable oppositions sessnot be transplantd. in that respect are several types of fixed immunitys such(prenominal) as constitution nose candy, metal painting, and wire-wound. Carbon undergrounds change their tube with age or if overheated. Metal film oppositions never change their prize besides are more expensive than carbon resistors. The prefer of wire-wound resistos is their tall creator orders. Resistors often have bands of colourise to indicate their resitance value and valuation reserve. Resistors are produced in standard values. The play 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 detect three type s 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 oppositeness 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 v! alue 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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