n resistors each of resistance R first combine to give maximum effective resistgance and then combine to give minimum. The ratio of the maximum resistance is
  • a)
    n
  • b)
    n2
  • c)
    n2 − 1
  • d)
    n3
Correct answer is option 'B'. Can you explain this answer?

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Answers

Diwakar Singh
Feb 04, 2022
To get maximum equivalent resistance all resistances must be connected in series
∴ (Req)max = R + R + R...ntimes = nR
To get minimum equivalent resistance all resistances myst be connected in parallel.
∴ 

To get maximum equivalent resistance all resistances must be connected in series∴ (Req)max= R + R + R...ntimes = nRTo get minimum equivalent resistance all resistances myst be connected in parallel.∴
To get maximum equivalent resistance all resistances must be connected in series∴ (Req)max= R + R + R...ntimes = nRTo get minimum equivalent resistance all resistances myst be connected in parallel.∴