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 ▸

A force is applied to a box of mass 2kg so that is accelerates at 2ms^-2. Find the force acting on the box and thus calculate the work done in moving the box 10m in the direction of the force.


Explain, with reference to the Schwarzschild radius, why the sun isn’t a black hole.


How are force and work related?


Describe the photoelectric effect.