alleryA galvanometer becomes a voltmeter by adding a large resistance in:
AParallel
BIsolation
CReverse
DSeries
Answer & Solution
Correct answer: D. Series
1. A voltmeter must draw very little current.
2. A large resistance is placed in line with the coil.
3. That resistance goes in series.
_Source: syllabus Physics Part I, Chapter 4, Moving Charges and Magnetism._
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