A Wheatstone bridge is widely used for precise measurement of?

  • AResistance or small resistance changes
  • BFrequency only
  • CInductance only
  • DOptical power only
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Correct Answer: A. Resistance or small resistance changes
Explanation: The Wheatstone bridge compares resistance ratios and is widely used with resistive sensors such as strain gauges.
Reference: Standard measurements and instrumentation: bridge measurements