Electrical Engineering · Electrical Measurements
Why are electrostatic instruments generally more expensive compared to other types of measuring instruments?
- 1Due to the mandatory requirement of thick magnetic shielding
- 2Due to the requirement of complex digital calibration systems
- 3Because of their complex construction and the requirement of high-grade insulating materials✓
- 4Because of the mandatory use of platinum contacts
Correct answer
Because of their complex construction and the requirement of high-grade insulating materials
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