Define electrical resistance
It's often best to use an equation when asked for definitions like this. In this case, use Ohm's law: R = V/I (where V is potential difference, I is current and R is resistance, measured in ohms)
MF
Related Physics A Level answers
All answers ▸Calculating the hydrostatic force on a submerged body
Define the term "Gravitational Potential" and write down a formula which defines it.
Describe simple harmonic motion (SHM). Sketch a displacement-time graph for a particle undergoing SHM and the corresponding velocity-time and acceleration-time graphs. Use these graphs to describe the relationship between accleration and displacment.
Explain the forces involved in a pendulum set up.