How does conduction work in metals?
A metal has free electrons, so when it is heated these electrons gain kinetic energy, meaning they move faster. As a result, these free electrons will collide with other electrons or ions, transferring energy throughout the metal.
JC
Related Physics GCSE answers
All answers ▸How to remember what is Ideal Gas Law?
When a force is applied to a spring, the spring extends by 12cm. The spring has a spring constant of 25 N/m. Calculate the force applied to the string in N.
The charge that flows through the shower in 300 seconds is 18000C. The electric shower has a power of 13.8 kW. Calculate the resistance of the heating element in the shower.
Explain why a simple electric motor continues to turn in the same direction when there is a current in the coil (6 marks)