what is ohm's law?

Ohms law establishes a relationship between resistance, voltage and current, saying that V/I = R.

AM

Related Physics GCSE answers

All answers ▸

How does Ice make drinks Ice cold?


An electromagnetic wave has a wavelength of 3.0m and a speed of 3x10^8 m/s. State what type of radiation this wave is and calculate the period of the wave.


Do batteries contain current, which comes out when they are in a circuit?


What is the difference between velocity and speed?