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AP EAMCET2020PhysicsCurrent 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?

Options

  1. AR < r
  2. BR>r
  3. CR=r
  4. DR=0

Correct answer

D. R=0

Step-by-step solution

No solution. Refer to answer key.

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