menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
You wish to use #18 tungsten wire at 20°c to make a 10 ω resistor. what length of wire will be required for this job? (round the final answer to two decimal places.)
Ask a Question
Questions
Unanswered
Tags
Ask a Question
You wish to use #18 tungsten wire at 20°c to make a 10 ω resistor. what length of wire will be required for this job? (round the final answer to two decimal places.)
asked
May 18, 2019
20.3k
views
2
votes
You wish to use #18 tungsten wire at 20°c to make a 10 ω resistor. what length of wire will be required for this job? (round the final answer to two decimal places.)
Physics
college
Cookandy
asked
by
Cookandy
6.9k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
3
votes
The #18 tungsten has a radius of
. The resistivity of the tungsten at
is
. The formula that relates resistance and resistivity is
where L is the length of the wire and
its section. Therefore, we can calculate L:
RomualdM
answered
May 23, 2019
by
RomualdM
8.6k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Oct 11, 2021
230k
views
A tungsten wire has resistance R at 20°C. A second tungsten wire at 20°C has twice the length and half the cross-sectional area of the first wire. In terms of R, the resistance of the second wire is
Sliq
asked
Oct 11, 2021
by
Sliq
8.0k
points
Physics
college
1
answer
3
votes
230k
views
asked
Feb 15, 2022
38.9k
views
What is the resistance at 20°C of a 2.0-meter length of tungsten wire with a cross-sectional area of 7.9 10^-7 meter^2
JBH
asked
Feb 15, 2022
by
JBH
8.8k
points
Physics
college
1
answer
5
votes
38.9k
views
asked
Jun 22, 2024
34.7k
views
Determine at what temperature aluminum will have the same resistivity as tungsten does at 20°C. a) Lower than 20°C b) Equal to 20°C c) Higher than 20°C d) Cannot be determined
Garden
asked
Jun 22, 2024
by
Garden
9.1k
points
Health
high-school
1
answer
5
votes
34.7k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
At sea level, water boils at 100 degrees celcius and methane boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction between its particles? Explain your answer
Physical properties of minerals graphic organizer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org