AP EAMCET · PHYSICS · Current Electricity
A voltmeter of resistance \(R\) is to be used to measure the potential difference across a resistance ' \(r\) '. In which case the reading will be nearest to that in the absence of voltmeter?
- A \(R < r\)
- B \(R>r\)
- C \(R=r\)
- D \(R=0\)
Answer & Solution
Correct Answer
(D) \(R=0\)
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