The diagram illustrates the structure of a relay. Two components are labelled N and P. Which metal is N made from, and which metal is P made from?
- AN: soft iron; P: soft iron
- BN: soft iron; P: steel
- CN: steel; P: soft iron
- DN: steel; P: steel
Physics 0625 · IGCSE · Electromagnetic effects
The diagram illustrates the structure of a relay. Two components are labelled N and P. Which metal is N made from, and which metal is P made from?