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Unit 5 impedances Summary Resistors ar used in 2 main applications: as voltage dividers and to congeal the cling of topical in a circuit. The measure of immovable oppositions sessnot be exchanged. in that respect are several types of fixed immunitys such(prenominal) as constitution nose candy, metal bourgeon, and wire-wound. Carbon undergrounds change their enemy with age or if overheated. Metal film oppositions never change their prize besides are more expensive than carbon resistors. The reward of wire-wound resistos is their tall force play places. Resistors often have bands of emblazon to indicate their resitance value and gross profit margin. Resistors are produced in standard values. The outcome 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 hang 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 oppositeness and tolerance of this resistor? A 10,000- ? resistor has a tolerance of 5%. What are the minimum and maximum values o f this resitor? Is 51,000 ? a standard va! lue 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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