Explain Ohm's Law

Ohm's Law

ZA

Related Physics GCSE answers

All answers ▸

Why are transformers used in the National Grid?


A footballer kicks a ball vertically upwards. Initially, the ball is stationary. His boot is in contact with the ball for 0.050s. The average resultant force on the ball during this time is 180N. The ball leaves his foot at 20m/s. Calculate the impulse


Draw the circuit that could be used to investigate how the current through a filament lamp affects its resistance. How could it be used to investigate this? (6 marks)


What is terminal velocity and what causes it?