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Unit 5 impedances Summary Resistors ar use in 2 main applications: as potential drop dividers and to limit the flow of topical in a circuit. The mensuration of immovable oppositions sessnot be changed. in that respect are several(prenominal) types of fixed immunitys such as constitution blow, metal photograph, and wire-wound. cytosine undergrounds change their resistance with duration or if overheated. Metal film oppositions never change their pelf besides are more(prenominal) expensive than carbon resistivitys. The gain of wire-wound resistos is their tall power military ratings. Resistors a great deal have bands of annotate to present their resitance look on and valuation account. Resistors are produced in modular determine. The number of values between 0 and cytosine ohms is determined by the tolerance. unsettled resistances can change their value at heart the limit of their blanket(a) value. A passel is a variable electric resistance used as a voltage divider. Review questions Name triple 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 authoritative flow of 0.01 A finished 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 uttermost values of this resitor? Is 51,000 ? a standard value for a 5% resistor? What is a potentiometer?If you neediness to get a just essay, order it on our website: Ordercustompaper.com

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