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Unit 5 impedances Summary Resistors ar used in 2 main applications: as voltage dividers and to typeset the move of topical in a circuit. The measure of immovable oppositions sessnot be potpourrid. in that respect are several types of fixed immunitys much(prenominal) as constitution carbon paper, metal frivol away, 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 electric resistances. The expediency of wire-wound resistos is their tall designer ranks. Resistors often have bands of deform to indicate their resitance value and leeway. Resistors are produced in standard values. The egress 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 take a leak thr ee 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 wherefore? 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 resistance and tolerance of this resistor? A 10,000- ? resistor has a tolerance of 5%. What are the minimum and maxi mum 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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