B. Directions: Enumerate at least five (5) properties of good conductors. Write your answers on a separate sheet of paper.
B. Directions: Enumerate at least five (5) properties of good conductors. Write your answers on a separate sheet of paper.
The Correct Answer and Explanation is:
Answer: Five (5) Properties of Good Conductors
- High Electrical Conductivity
- Low Electrical Resistance
- High Thermal Conductivity
- Malleability and Ductility
- Free-moving Electrons (Delocalized Electrons)
Explanation
Good conductors are materials that allow the easy flow of electric current due to the presence of free-moving or delocalized electrons. The most common examples of good conductors are metals such as copper, silver, gold, and aluminum. These materials have unique physical and electrical properties that make them ideal for conducting electricity.
1. High Electrical Conductivity
This is the most essential property of a good conductor. It refers to the material’s ability to allow electric charges to flow through it with minimal resistance. In metals, valence electrons are loosely bound to the atoms, enabling them to move freely through the material and conduct electricity effectively.
2. Low Electrical Resistance
Resistance is the opposition to the flow of electric current. Good conductors offer very little resistance, allowing current to pass through efficiently. Lower resistance also means less energy is lost as heat during transmission.
3. High Thermal Conductivity
Many good electrical conductors are also excellent at conducting heat. This is because the free electrons that transfer electrical energy also carry thermal energy. This property is particularly useful in applications like circuit boards and electrical appliances, where heat dissipation is important.
4. Malleability and Ductility
Good conductors are usually malleable (can be hammered into thin sheets) and ductile (can be drawn into wires). This makes them practical for manufacturing electrical wiring and components of various shapes and sizes.
5. Free-moving Electrons (Delocalized Electrons)
The presence of free or delocalized electrons in the outer shells of metal atoms is what fundamentally allows conduction. These electrons move freely within the metal lattice, creating an “electron sea” that facilitates the flow of electric current.
In conclusion, the properties of good conductors make them essential in everyday electrical systems, from simple household wiring to complex electronic devices.
