Higher conductivity is generally better in materials when you want efficient transmission of electricity or heat. For example:
- **In electrical conductors (like copper or aluminum)**: Higher conductivity means less resistance, leading to reduced energy loss and greater efficiency in power transmission.
- **In heat conductors (like metals)**: Higher conductivity allows for better heat dissipation, which is useful in cooling systems.
However, higher conductivity might not be desired in **all cases**. For example, in insulators or semiconductors, lower conductivity is often necessary to prevent current leakage or maintain controlled electrical behavior.
The context of the application determines whether higher conductivity is advantageous or not.