Part B What is the resistance of a carbon rod at 25.8° C if its resistance is 0.0140 N at 0.0° C? Express your answer in ohms. Vo AEd ? R = Ω Submit Previous Answers Request Answer
Part B What is the resistance of a carbon rod at 25.8° C if its resistance is 0.0140 N at 0.0° C? Express your answer in ohms. Vo AEd ? R = Ω Submit Previous Answers Request Answer
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 46P: An electronic device designed to operate at any temperature in the range from 10.0C to 55.0C...
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![Part A
What is the resistance of a Nichrome wire at 0.0° C if its resistance is 200.00 N at 11.5° C?
Express your answer in ohms.
R= 199.08 N
Submit
Previous Answers
Correct
IDENTIFY: Apply R= Ro[1+a(T – To)] to calculate the resistance at the second temperature.
SET UP: a = 0.0004(°C)-1 (Table 25.2). Let To be 0.0° C and T be 11.5° C.
R
200.00 N
EXECUTE: Ro =
= 199.08 N
1+a(T – To)
1+ (0.0004 (°C)-1(11.5°C))
• Part B
What is the resistance of a carbon rod at 25.8° C if its resistance is 0.0140 2 at 0.0° C?
Express your answer in ohms.
nα ΑΣφ
?
R =
Submit
Previous Answers Request Answer](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F51435bf2-32bb-499c-aa57-a85dc35bd95d%2F315b268b-70bf-4b79-9272-116984e36792%2Femummch_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Part A
What is the resistance of a Nichrome wire at 0.0° C if its resistance is 200.00 N at 11.5° C?
Express your answer in ohms.
R= 199.08 N
Submit
Previous Answers
Correct
IDENTIFY: Apply R= Ro[1+a(T – To)] to calculate the resistance at the second temperature.
SET UP: a = 0.0004(°C)-1 (Table 25.2). Let To be 0.0° C and T be 11.5° C.
R
200.00 N
EXECUTE: Ro =
= 199.08 N
1+a(T – To)
1+ (0.0004 (°C)-1(11.5°C))
• Part B
What is the resistance of a carbon rod at 25.8° C if its resistance is 0.0140 2 at 0.0° C?
Express your answer in ohms.
nα ΑΣφ
?
R =
Submit
Previous Answers Request Answer
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