Answers>Physics>A Level>Article

Calculate the resistance of a uniform wire of diameter 0.5mm, length 2m and resistivity 1.7x10^-8Ωm.

R=ρ L/AR= (1.7*10^-8 2)/(0.0005^2π/4)R=0.173Ω

Answered by Heather W. • Physics tutor

1732 Views

See similar Physics A Level tutors

Related Physics A Level answers

All answers ▸

How does the photoelectric effect provide evidence for a particulate nature of electromagnetic radiation?

Answered by Stefano A.

How would we calculate the distance covered by a train that starts at rest, then accelerates to 5km/hr in 30 mins then stays at this constant speed for 12 minutes?

Answered by Harrison L.

What are the different classifications of sub-atomic particles?

Answered by Jordan B.

Why does gravitational potential energy have a negative value?

Answered by Joseph P.

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

Company Information

CareersBlogSubject answersBecome a tutorSchoolsSafeguarding policyFAQsUsing the Online Lesson SpaceTestimonials & pressSitemap

Popular Requests

Maths tutorChemistry tutorPhysics tutorBiology tutorEnglish tutorGCSE tutorsA level tutorsIB tutorsPhysics & Maths tutorsChemistry & Maths tutorsGCSE Maths tutors

© MyTutorWeb Ltd 2013–2024

Terms & Conditions|Privacy Policy
CEOP logo
CLICK CEOP

Internet Safety

Sagepay logo

Payment Security

Cyber Essentials logo

Cyber

Essentials

Cookie Preferences