explain how the resistance of a filament lamp changes as the potential difference across it increases

as the potential difference increases, the current increases (ohm's law). this causes the temperature of the filament to increase, causing the resistance to increase.

SQ
Answered by safiya q. Physics tutor

6647 Views

See similar Physics GCSE tutors

Related Physics GCSE answers

All answers ▸

If a car sets off from rest with a constant acceleration of 3 m/(s^2), what would its speed be after 5 seconds?


What is the actual difference between the weight and the mass of an object?


Houses lose majority of their energy through the roof and windows. State the three methods of energy transfer. For the roof and windows respectively, describe one adaptation that could be made to improve their efficiency and explain their method.


Simon's car has run out of fuel. He must push his car 5 metres to the petrol pump, using a force of 200N. How much work does Simon do?


We're here to help

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

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences