A wire is 1m long, 0.2mm in diameter and has resistance of 10?. Calculate its resistivity.

Asked by Last Modified  

6 Answers

Learn Science +1

Follow 9
Answer

Please enter your answer

Progressive classes.

Let L= length of wire d=daimeter of wire R= resistance of wire in ohms Give data L= 1m d= 0.2mm converted mm into meter d=0.2×10^-3 m R= 10Ω R=p L/A Area=pi×(d/2)^2 =3.14× (0.2×10^-3/2)^2 =3.1415×10^-08 R=p L/A R=pL/A 10=p×(1/3.1415×10^-08) Resistivity =3.14×10^-07 Ωm
Comments
Dislike Bookmark

Maths Tutor

l=1m,R=10ohms,d=0.2mm=0.0002m a=? a=πR2 then,radius is half of diameter R=0.0001m a=3.14*0.0001*0.0001=3.14e-8 m2 resistivity = resistance x (area/length) resistivity=10*(3.14e-8/1) resistivity=3.14e-7 answer
Comments
Dislike Bookmark

Tutor

0.3142 Ohm-mm
Comments
Dislike Bookmark

Mathematics Tutor

Resistivity=R*A/l =10*22/7*10^-8/1 =31.42*10^-8
Comments
Dislike Bookmark

Tutor

R=resistivity*lenghth/area So resistivity=R×A/L Therefore resistivity=5.026×10^-6
Comments
Dislike Bookmark

Tutor

Resistivity=(Resistance*Area of the wire)/Length of the wire=3.141*10^(-7) ohm-m Where, * means multiplication L=length of the wire=1m R=Resistance=1o ohm A=Pi*r^2 and r=d/2=0.1mm
Comments
Dislike Bookmark

View 4 more Answers

Related Questions

The magnification produced by a plane mirror is +1. What does it mean?
Magnification produced by a plane mirror is +1. It means the size of the image is equal to the size of the object and the image is virtual. Size of image is equal to size of object
Bhupen
0 0
6
State the formula, lens formula and power of lens.
The diopter is the unit of measure for the refractive power of a lens. The power of a lens is defined as the reciprocal of its focal length in meters, or D = 1/f, where D is the power in diopters and f...
Venu
0 0
5

What is covalent bond, and how is this bond useful for carbon?
A covalent bond is a sharing of electrons. Some metals cannot transfer electrons and need an electron to get a stable position; they will continue to share them. Such sharing of electrons is known as a...
Amit Kumar Behera

What parents see in a good teacher,when they hire home tutor for their child's benefit?

 
Parents must ensure the following qualities in the home tutor for their child's benefit - 1. A verified teacher- The tutor should have a valid ID proof and address proof. It ensures safety of child. 2....
Sushma
What is a redox reaction?
A redox (or oxidation-reduction) reaction is a type of chemical reaction that involves a transfer of electrons between two species (atom, molecule or ion). Here oxidation as well as reduction takes place...
Sona

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

CBSE Class 10 Chemistry Lesson 1 - CRs and Equations
Chemical Reaction The reaction in which reactants are converted into products is called a chemical reaction. Eg. C + O2 --> CO2 Reactants Reactants are the substances that take part in a chemical...
K

Karthik Gopal C

0 0
0
Summary of 10th maths CBSE (imp topic is covered)
Hello friendsJust read all those stuff and try to remind it and if u have doubts in any of them then go through book and either call me 9710368667It's really helpful: 1)real number :for finding HCF and...

Deepak Kumar

0 0
0

Harsh

0 0
0

Ayushi S.

0 0
0
How is food digested in stomach ?

Ketan Grover

0 0
0

Recommended Articles

Quest Academy - Institute of the month

Quest Academy is a professional Bangalore based NEET and JEE (Main + Advanced) training institute. The academy was incorporated in 2015 to cater to the needs of students, who aim to crack competitive exams by connecting with the best brains around. The institute helps students enhance their skills and capabilities through...

Read full article >

Meet Raghunandan.G.H, a B. Tech Tutor from...

Raghunandan is a passionate teacher with a decade of teaching experience. Being a skilled trainer with extensive knowledge, he provides high-quality BTech, Class 10 and Class 12 tuition classes. His methods of teaching with real-time examples makes difficult topics simple to understand. He explains every concept in-detail...

Read full article >

Meet Swati, a Hindi Tutor from Bangalore

Swati is a renowned Hindi tutor with 7 years of experience in teaching. She conducts classes for various students ranging from class 6- class 12 and also BA students. Having pursued her education at Madras University where she did her Masters in Hindi, Swati knows her way around students. She believes that each student...

Read full article >

Meet Mohammad Wazid, a skilled trainer for...

Mohammad Wazid is a certified professional tutor for class 11 students. He has 6 years of teaching experience which he couples with an energetic attitude and a vision of making any subject easy for the students. Over the years he has developed skills with a capability of understanding the requirements of the students. This...

Read full article >

Find Class 10 Tuition near you
Class 10 Tuition in Delhi
Class 10 Tuition in Bangalore
Class 10 Tuition in Hyderabad
Class 10 Tuition in Kolkata
Class 10 Tuition in Chennai
Class 10 Tuition in Mumbai
Class 10 Tuition in Pune
Class 10 Tuition in Lucknow
Class 10 Tuition in Noida
Class 10 Tuition in Gurgaon
Online Tuition Class 10

Looking for Class 10 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you