The size of the stirrer in a microwave can affect the distribution of microwave energy and the efficiency of heating, so in some cases, a larger stirrer can be more beneficial than a smaller one. However, it's important to note that the design and placement of the stirrer in each microwave model can vary, and manufacturers optimize it for the specific cavity shape and size of the microwave.
The stirrer's purpose is to help distribute the microwave energy evenly throughout the cavity, reducing hot spots and promoting more uniform heating. It typically consists of a metal fan or blade that rotates to scatter the microwaves.
A larger stirrer can potentially cover a greater area within the cavity, leading to improved distribution of the microwaves. This can help reduce the likelihood of uneven heating, resulting in more consistent cooking or heating results.
However, the size of the stirrer alone may not be the sole determining factor of microwave performance. Other factors such as the microwave's power output, the positioning of the food or container, and the nature of the food being heated or cooked can also influence the overall cooking efficiency.
It's worth mentioning that microwave ovens undergo rigorous testing and design optimization to provide satisfactory performance with the included stirrer. Therefore, for most everyday applications, the size of the stirrer may not significantly impact the microwave's overall functionality or cooking performance.