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Electrical strain gauge works on the principle of
Variation of resistance
Variation of capacitance
Variation of inductance
Variation of area
Variation of resistance
Quick Summary: Practice and solve "Electrical strain gauge works on the principle of..." for Electrical - Measurement & Instrumentation. The correct answer is Option A: Variation of resistance. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(a) **