E9H10:How can the output voltage of a multiple-turn receiving loop antenna be increased?

Direct answer summary (2024-2028 NCVEC pool)

The official correct answer for E9H10 is By increasing the number of turns and/or the area enclosed by the loop.

Use this action or method: By increasing the number of turns and/or the area enclosed by the loop. It is the choice that directly completes the job described in the question.