Yes, Dario, the cooktop can heat up even using only a single element.
For the details, please see the GLASS/CERAMIC COOKING SURFACES on page 11 of the manual in the "DO NOT TOUCH SURFACE UNITS OR AREAS NEAR UNITS." section.
Manual
https://downloadcenter.samsung.com/content/UM/202502/20250214164150842/O_IB_FULL_NE5000A_NE63A6751-04_AA_EN.pdf
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Have a great day.
^Charles