What is the current in a circuit?

The current is the rate of flow of charge. It is a measure of how many electrons pass a point over a certain amount of time. We measure current using an ammeter which gives current in Amps. Current is usually represented by the letter I. 

EJ
Answered by Emma J. Physics tutor

3309 Views

See similar Physics GCSE tutors

Related Physics GCSE answers

All answers ▸

An electric heater has a power of 1000W. It is connected to mains electricity (230V). The heater is equipped with an Earth wire. a) Calculate the current in the heater. b) Explain the role of the earth wire as a safety feature.


Why does a balloon 'stick' to a wall when one has rubbed it on one's head?


a) Give an example of an alpha radiation source used in homes b) Why is it safe to use a source of alpha radiation in the house


Using the kinetic molecular theory,explain why air pressure inside a syringe increases if the volume decreases from 15.0 cm


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