Answer :

The best metal to use in an alloy to increase its electrical conductivity is silver. Silver is known for its excellent conductivity of electricity, even better than copper. When silver is added to an alloy, it significantly enhances the electrical conductivity of the material.

Here's why silver is a great choice for increasing electrical conductivity in alloys:
1. Silver has the highest electrical conductivity among all metals, making it an ideal choice for applications where high conductivity is crucial.
2. Due to its exceptional conductivity, even a small amount of silver in an alloy can substantially improve the overall electrical performance of the material.
3. Silver alloys are commonly used in industries where superior electrical conductivity is required, such as in electronics, electrical wiring, and high-performance conductors.

In conclusion, if you are looking to enhance the electrical conductivity of an alloy, incorporating silver into the mix would be a smart choice due to its unmatched conductivity properties.