Multiple choice

The surface area of each electrode helps to determine the:

  1. heating pattern

  2. current density/Concentration current

  3. amount of chemical compound

  4. healing time
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Current density is defined as the amount of current per unit area. Therefore, the surface area of the electrode directly influences how concentrated the current is at the point of contact.

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