Multiple choice

The affected region(s) of nodal region is/are

  1. external part

  2. central part

  3. Only (2)

  4. Both (1) and (2)

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A Correct answer
Explanation

In nodal region theory, the affected or sphere of influence refers to the external part - the area outside the core that is influenced by the nodal center. The central part is the core itself. So the affected region of a nodal region is the external/part of the sphere of influence, not the center.

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