Explain Ohm's Law
Ohm's Law
ZA
Related Physics GCSE answers
All answers ▸Imagine a box sliding down a rough slope. What will the free body diagram for the box look like?
Explain the input and output energy sources for a car engine. How would you calculate the efficiency? Explain in terms of the inputs and outputs how the efficiency could be improved.
What actually is current? Why does it differ from potential difference?
Explain the resistance of and electrical component and what affects its value in a wire.