A nickel cadmium cell has been deeply drained many times. Its internal resistance:
AVanishes
BDoubles
CChanges
DFreezes
Answer & Solution
Correct answer: C. Changes
1. Internal resistance is not a fixed number.
2. Usage history affects it.
3. So it changes with depletion.
_Source: OpenStax University Physics Volume 2, Chapter 10, Direct-Current Circuits._
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