A galvanometer is an instrument used for detecting the presence and direction of small electric currents. While it is a crucial component in circuits designed to measure resistance (like a Wheatstone bridge where it detects null deflection), it does not directly measure electric resistance itself.
Which of the following is not correctly matched?
Asked in BPSC Prelims Exam 67th Cancelled · Topic: Measuring Instruments and Scales (Galvanometer: principle, sensitivity, and conversion to Ammeter and Voltmeter)
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Answer: D. Galvanometer—Electric resistance
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