Skin effect is best defined as:
- The tendency of alternating current to concentrate at the center of a conductor
- The tendency of direct current to concentrate at the center of a conductor
- The tendency of alternating current to concentrate near the surface of a conductor
- The tendency of direct current to concentrate near the surface of a conductor
Correct answer: 3. The tendency of alternating current to concentrate near the surface of a conductor
Explanation: Skin effect is best defined as the tendency of alternating current to concentrate near the surface of a conductor