What is Kirchoff's first law?

The sum of multiple currents going into a junction equals the sum of the currents leaving it. I1 + I2 = I3

LW
Answered by Lydia W. Physics tutor

2041 Views

See similar Physics A Level tutors

Related Physics A Level answers

All answers ▸

Draw a diagram of the forces acting on the rocket as it flies vertically upwards, the rocket is flying through air not a vacuum (it's not in space yet!)


Two identical uniform spheres each of radius R are placed in contact. The gravitational force between them is F. They are then separated until the force between them is one ninth of the magnitude. What is the distance between the surfaces of the spheres?


Water flows through an electric shower at a rate of 6kg per minute. Assuming no heat is transferred to the surroundings, what power is required to heat the water by 20K as it flow through the shower?


Why is an object moving in a circle at a constant speed said to be accelerating?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning