Explain Ohms Law
Ohms law establishes a relationship between resistance, voltage and current, saying that V/I = R. The traditional graph given for ohmic resistors is:An increasing line with gradient x starting at (0,0)
LL
Related Physics GCSE answers
All answers ▸State one advantage and one disadvantage of using a CT scanner, compared with ultrasound scanning, for forming images of the inside of the human body. (2 Marks)
A boy with a mass of 50kg is sitting on a seesaw. He is sitting 2m from the pivot. He has a friend who weighs 40kg, how far away from the pivot must she sit to balance the seesaw? (gravitational accelleration (g) = 10m/s2)
Two identical objects have a charge of magnitude q. If r is the distance bethween them, what should their mass be so that the objects are balanced.
Why do we use non-renewable energy?