What are the definitions of a)voltage and b)current?
a) Current is defined as the rate of flow of charge; I = Q/t (Current is charge/time).b) Voltage is an electromotive force which drives the charge around the circuit. A potential difference between two points on a circuit causes a flow of charge.
SC
Related Physics GCSE answers
All answers ▸Write down the equation which links speed, distance and time
What is the resistance (in Ohms) of two 20 Ohm resisters in parallel?
Hanging on a branch of a tree, a monkey sees a hunter aiming a gun at him. The monkey lets go of the branch at the exact same time the bullet is fired. Explain why the bullet hits the monkey.
A roller coaster car starts stationary at the top of a downwards slope. At the bottom of the slope, it has a speed of 30m/s. Use the conservation of energy to find the vertical height of the slope. (Use g=10 m/s^2)