Homework Help is Here – Start Your Trial Now!
Engineering
Electrical Engineering
A copper made resistive element with a radius of 2000 µm and a length of XZ mm, as shown in fig a, consists of a resistance with a cross-section area A, length I and a resistivity p. 250 COM Material (p) A E System p = Ohm.m at T = 20°C | = length in meter A = area in square meter R = P A fig: a fig: b Material p Ohm.m @20°C Silver 9.9 Copper 10.37 Gold 14.7 Fig b shows the ammeter reading to be 12.5 mA. Using the resistivity value from the index find out the supplied voltage E (in Volts). HINT: Area of a circle = ar. Start by finding out the cross-section area, A. In fig b, consider the entire system to be the resistive element. b) What is the maximum permissible current in a 1202, 2 W resistor? What is the maximum voltage that can be applied across the resistor.

A copper made resistive element with a radius of 2000 µm and a length of XZ mm, as shown in fig a, consists of a resistance with a cross-section area A, length I and a resistivity p. 250 COM Material (p) A E System p = Ohm.m at T = 20°C | = length in meter A = area in square meter R = P A fig: a fig: b Material p Ohm.m @20°C Silver 9.9 Copper 10.37 Gold 14.7 Fig b shows the ammeter reading to be 12.5 mA. Using the resistivity value from the index find out the supplied voltage E (in Volts). HINT: Area of a circle = ar. Start by finding out the cross-section area, A. In fig b, consider the entire system to be the resistive element. b) What is the maximum permissible current in a 1202, 2 W resistor? What is the maximum voltage that can be applied across the resistor.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
See similar textbooks
icon
Related questions
Question

X=6, Z=1

a) A copper made resistive element with a radius of 2000 µm and a length of XZ mm, as shown in fig a, consists of a resistance with a cross-section area A, length I and a resistivity p. 250 COM Material (p) System p = Ohm.m at T = 20°C 1 = length in meter A = area in square meter R = P fig: a fig: b Material p Ohm.m @20°C Silver 9.9 Copper 10.37 Gold 14.7 Fig b shows the ammeter reading to be 12.5 mA. Using the resistivity value from the index find out the supplied voltage E (in Volts). HINT: Area of a circle = ar. Start by finding out the cross-section area, A. In fig b, consider the entire system to be the resistive element. b) What is the maximum permissible current in a 1202, 2 W resistor? What is the maximum voltage that can be applied across the resistor.
Transcribed Image Text:a) A copper made resistive element with a radius of 2000 µm and a length of XZ mm, as shown in fig a, consists of a resistance with a cross-section area A, length I and a resistivity p. 250 COM Material (p) System p = Ohm.m at T = 20°C 1 = length in meter A = area in square meter R = P fig: a fig: b Material p Ohm.m @20°C Silver 9.9 Copper 10.37 Gold 14.7 Fig b shows the ammeter reading to be 12.5 mA. Using the resistivity value from the index find out the supplied voltage E (in Volts). HINT: Area of a circle = ar. Start by finding out the cross-section area, A. In fig b, consider the entire system to be the resistive element. b) What is the maximum permissible current in a 1202, 2 W resistor? What is the maximum voltage that can be applied across the resistor.
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Fourier Series of Signal
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:
9780133923605
Author:
Robert L. Boylestad
Publisher:
PEARSON
Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:
9781337900348
Author:
Stephen L. Herman
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Electrical Engineering
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education
Fundamentals of Electric Circuits
Fundamentals of Electric Circuits
Electrical Engineering
ISBN:
9780078028229
Author:
Charles K Alexander, Matthew Sadiku
Publisher:
McGraw-Hill Education
Electric Circuits. (11th Edition)
Electric Circuits. (11th Edition)
Electrical Engineering
ISBN:
9780134746968
Author:
James W. Nilsson, Susan Riedel
Publisher:
PEARSON
Engineering Electromagnetics
Engineering Electromagnetics
Electrical Engineering
ISBN:
9780078028151
Author:
Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher:
Mcgraw-hill Education,
SEE MORE TEXTBOOKS