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Unformatted text preview: Page 4 Combine Resistance and Battery Voltage in circuit Resistance in Series Lecture 10 Chapters 24 and 25 Page 5 Resistors in parallel Problem What is the resistance of a 1.0m long Cu wire that is 0.5 mm in diameter? m 10 68 1 8 Cu Ω × =. ρ Text Problem 24 – 17 The National Electrical Code specifies a maximum current of 10 A in 16gauge (1.29mmdiameter) Cu wire. What is the corresponding current density? Text Problem 24 – 36 With a typical resistance of 100 k , how much current could a 12–V car battery pass through an individual if connected correctly? Is this a safe current? Lecture 10 Chapters 24 and 25 Page 6 Text Problem 24 – 45 Silver and iron wires of the same length and diameter carry the same current. How do the voltages across the two compare? Lecture 10 Chapters 24 and 25 Page 7 Equivalent resistance Circuit Revised Final Rank R eq in order of decreasing resistance: Lecture 10 Chapters 24 and 25 Page 8 How do you take a ‘measurement’ for voltage and current across a resistor....
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This note was uploaded on 01/10/2012 for the course PHYS 2114 taught by Professor Bandy during the Spring '08 term at Oklahoma State.
 Spring '08
 Bandy
 Semiconductors

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