Four factors that influence the choice of a good conductor for a particular application
1) Electrical conductivity: The most important factor for a good conductor is its ability to carry electrical current with minimal resistance. Conductors with high electrical conductivity, such as metals like copper and silver, are often preferred for applications where efficient transmission of electrical energy is required.
2) Thermal conductivity: In some applications, such as heat transfer or electrical power generation, a good conductor with high thermal conductivity is needed. Materials like copper and aluminum are excellent conductors of heat and often used in these applications.
3) Mechanical strength: The mechanical strength of a conductor is crucial, especially in applications where the conductor needs to be durable and withstand physical stress. For example, overhead power lines require conductors that can support their own weight and resist environmental factors such as wind and ice. Materials like steel and aluminum are commonly used for their high mechanical strength.
4) Cost: The cost of a conductor is another important factor to consider, as it can significantly impact the feasibility of an application. Conductors like copper and silver are quite expensive compared to alternatives like aluminum or steel. Therefore, the cost-benefit analysis is vital while selecting a suitable conductor for a specific application.