Homework Help is Here – Start Your Trial Now!
Engineering
Electrical Engineering
7. An electric water heater has a rating of 1 Kw, 230 v. The coil used as the heating element is 10m long and has a resistivity of 1.724 x 10-6 ohm - cm. Determine the required diameter of the wire in mils? A. 2.43 mils В. 2.52 mils C. 3.21 mils D. 1.35 mils 8. A carbon resistor dissipates 60 W of power from a 120 V source at 20°C. How much power will be dissipated in the resistor at 120°C if connected across the same source? Assume the temperature coefficient of carbon at 20°C is -0.0005 per °C A. 61. 50 W B. 65.21 W C. 62.34 W D. 63.16 W 9. What is the total resistance of eleven 33kn resistors connected in parallel? A. 33 ko В. З кQ C. 363 kQ D. 11 kQ

7. An electric water heater has a rating of 1 Kw, 230 v. The coil used as the heating element is 10m long and has a resistivity of 1.724 x 10-6 ohm - cm. Determine the required diameter of the wire in mils? A. 2.43 mils В. 2.52 mils C. 3.21 mils D. 1.35 mils 8. A carbon resistor dissipates 60 W of power from a 120 V source at 20°C. How much power will be dissipated in the resistor at 120°C if connected across the same source? Assume the temperature coefficient of carbon at 20°C is -0.0005 per °C A. 61. 50 W B. 65.21 W C. 62.34 W D. 63.16 W 9. What is the total resistance of eleven 33kn resistors connected in parallel? A. 33 ko В. З кQ C. 363 kQ D. 11 kQ

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
100%
7. An electric water heater has a rating of 1 Kw, 230 v. The coil used as the heating element is 10m long and has a resistivity of 1.724 x 10-6 ohm – cm. Determine the required diameter of the wire in mils? A. 2.43 mils В. 2.52 mils C. 3.21 mils D. 1.35 mils 8. A carbon resistor dissipates 60 W of power from a 120 V source at 20°C. How much power will be dissipated in the resistor at 120°C if connected across the same source? Assume the temperature coefficient of carbon at 20°C is -0.0005 per °C В. 65.21 W C. 62.34 W A. 61. 50 W D. 63.16 W 9. What is the total resistance of eleven 33kn resistors connected in parallel? А. 33 kQ В. З кО C. 363 kQ D. 11 ko
Transcribed Image Text:7. An electric water heater has a rating of 1 Kw, 230 v. The coil used as the heating element is 10m long and has a resistivity of 1.724 x 10-6 ohm – cm. Determine the required diameter of the wire in mils? A. 2.43 mils В. 2.52 mils C. 3.21 mils D. 1.35 mils 8. A carbon resistor dissipates 60 W of power from a 120 V source at 20°C. How much power will be dissipated in the resistor at 120°C if connected across the same source? Assume the temperature coefficient of carbon at 20°C is -0.0005 per °C В. 65.21 W C. 62.34 W A. 61. 50 W D. 63.16 W 9. What is the total resistance of eleven 33kn resistors connected in parallel? А. 33 kQ В. З кО C. 363 kQ D. 11 ko
Expert Solution
steps

Step by step

Solved in 3 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Similar questions
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