Current Density Describes the Amount of Current Concentrated Under an Electrode

question 8

Multiple Choice

Current density describes the amount of current concentrated under an electrode and is a measure of the quantity of charged particles moving through a specific cross-sectional area of body tissue. What is the relationship between electrode surface area and total current flow?

• A)When the electrodes are small, the current density is high.
• B)When the electrodes are large, the current density is high.
• C)Current flows more easily in smaller electrodes.
• D)There is no relationship between electrode surface area and total current flow.

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