Electrical Engineering · Measurements and Instrumentation
In high-frequency capacitive thickness measurement systems, AC excitation is preferred over DC because it:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1increases the structural rigidity of electrodes
- 2prevents electrode polarization during operation✓
- 3eliminates dielectric energy losses in materials
- 4removes the requirement of external shielding
Correct answer
prevents electrode polarization during operation
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