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What is the advantage of mechanical comparator over others?
less moving parts
no need of external supply
no error due to parallax
large range of instrument
no need of external supply
Quick Summary: Practice and solve "What is the advantage of mechanical comparator over others?..." for Electrical - Measurement & Instrumentation. The correct answer is Option B: no need of external supply. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(b) **