When electrodes are placed close together, the stimulation generally feels more:

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Multiple Choice

When electrodes are placed close together, the stimulation generally feels more:

Explanation:
When electrodes are placed close together, the electric field is concentrated in the tissues directly between them, increasing the current density at the surface. That higher surface current density makes the stimulation feel stronger at the skin and more superficial. If the electrodes are spaced farther apart, the current spreads over a wider path, reducing surface density and sensation while allowing deeper penetration. So the best answer is that close placement produces a superficial and stronger sensation.

When electrodes are placed close together, the electric field is concentrated in the tissues directly between them, increasing the current density at the surface. That higher surface current density makes the stimulation feel stronger at the skin and more superficial. If the electrodes are spaced farther apart, the current spreads over a wider path, reducing surface density and sensation while allowing deeper penetration. So the best answer is that close placement produces a superficial and stronger sensation.

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